Data sheet
Dimensions & weights
- Wet weight
- 191 kg
- Ground clearance
- 150 mm
- Wheelbase
- 1435 mm
Engine & drivetrain
- Engine
- 653 cc · Parallel twin
- Cooling
- Air cooled
- Output
- 53 hp · 53 Nm
- Transmission
- 5-speed
- Final drive
- Chain
- Fuelling
- Carburettor
Fuel & range
- Fuel capacity
- 15 L
- Real world range
- 250 km
Electronics & rider aids
- Ride modes
- None
- Cruise control
- No
- Traction control
- No
- ABS
- No
- Heated grips
- No
- Heated seat
- No
Service intervals
- Service interval
- 5,000 km
- Chain lube
- every 500 km
Protection
- Bash plate
- None
- Radiator guard
- No
- Oil cooler guard
- No
- Hand guards
- No
Consumables & service specs
Every value carries its source.
Tyres
- Front
- 3.50H-19 4PRYamaha XS650 Factory Service Manual (Scribd)
- Rear
- 4.00H-18 4PRYamaha XS650 Factory Service Manual (Scribd)
Tyre pressures
- Front — solo
- 1.6 kg/cm222 psi; normal riding, cold tyre, up to 90kg loadYamaha XS650 Factory Service Manual (Scribd)
- Front — loaded
- 2.0 kg/cm228 psi; with passenger or high-speed ridingYamaha XS650 Factory Service Manual (Scribd)
- Rear — solo
- 2.0 kg/cm228 psi; normal riding, cold tyre, up to 90kg loadYamaha XS650 Factory Service Manual (Scribd)
- Rear — loaded
- 2.3 kg/cm232 psi; with passenger or high-speed ridingYamaha XS650 Factory Service Manual (Scribd)
Engine oil
- Viscosity
- Yamalube 4-cycle oil or SAE 20W-40 type SE motor oilYamaha XS650 Shop Manual (xs650chopper.com)
- Capacity
- 2.0 lPeriodic oil change quantity; overhaul (full dry) fill is 2.5LYamaha XS650 Shop Manual (xs650chopper.com)
Brakes
- Fluid type
- DOT 3Front disc brake hydraulic system (rear drum brake on 1975 XS650B, no hydraulic fluid needed at rear)Yamaha XS650 Factory Service Manual (Scribd)
Forks
- Oil viscosity
- Yamaha fork oil 10Wt or equivalentYamaha XS650 Shop Manual (xs650chopper.com)
- Oil capacity
- 164-172 mlPer front fork leg (5.54-5.82 oz)Yamaha XS650 Factory Service Manual (Scribd)
Final drive
- Chain
- SDHDS type, 103 links + joint, 15.875mm pitch (5/8in), 20-30mm free playFactory 1975 XS650B chain size and adjustment specification; use a matching 5/8-inch joining link for the fitted non-O-ring chain.Yamaha XS650B Owner's Manual
Spark plugs
- Type
- Champion N-7Y or NGK BP7ESXS650H/SH Factory Supplement (xs650.de)
- Quantity
- 2Parallel-twin engine, one plug per cylinderYamaha XS650 Factory Service Manual (Scribd)
Battery
- Type
- 12N14-3A conventional lead-acid, 12 V 14 AhXS650H/SH Factory Supplement (xs650.de)
Fuel
- Minimum octane
- 90+ octane (period spec per XS650B owner's manual); modern equivalent 89-91 AKI mid-grade/premium1975-era XS650B owner's manual explicitly recommends fuel with a 90+ octane ratingYamaha XS650B Owner's Manual
Tyre Library
Tyres for this bike and year
Start with this motorcycle’s front and rear sizes. Open a tyre to check the complete fit for this exact bike and year; a size or original-equipment report alone does not confirm it.
No matching front and rear pair
Michelin Anakee Adventure
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, tube or tubeless setup, a named tyre match.
No matching front and rear pair
Michelin Anakee III
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, tube or tubeless setup, a named tyre match.
No matching front and rear pair
Michelin Anakee Road
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, tube or tubeless setup, a named tyre match.
No matching front and rear pair
Michelin Anakee Wild
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, tube or tubeless setup, a named tyre match.
No matching front and rear pair
Pirelli Angel GT
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, tube or tubeless setup, a named tyre match.
No matching front and rear pair
Pirelli Angel GT II
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, tube or tubeless setup, a named tyre match.
No matching front and rear pair
Pirelli Angel ST
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, tube or tubeless setup, a named tyre match.
No matching front and rear pair
Bridgestone BATTLAX Adventure A41
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, tube or tubeless setup, a named tyre match.
No matching front and rear pair
Bridgestone Battlax Adventure Trail AT41
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, tube or tubeless setup, a named tyre match.
No matching front and rear pair
Bridgestone BATTLAX Adventurecross AX41
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, tube or tubeless setup, a named tyre match.
No matching front and rear pair
Bridgestone BATTLAX Adventurecross Scrambler AX41S
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, tube or tubeless setup, a named tyre match.
No matching front and rear pair
Bridgestone BATTLAX BT-45
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, tube or tubeless setup, a named tyre match.
No matching front and rear pair
Bridgestone BATTLAX BT46
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, tube or tubeless setup, a named tyre match.
No matching front and rear pair
Bridgestone BATTLAX Sport Touring T32
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, tube or tubeless setup, a named tyre match.
No matching front and rear pair
Bridgestone BATTLAX Sport Touring T33
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, tube or tubeless setup, a named tyre match.
No matching front and rear pair
Bridgestone BATTLE WING BW501 / BW502
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, tube or tubeless setup, a named tyre match.
No matching front and rear pair
Bridgestone BATTLECRUISE H50
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, tube or tubeless setup, a named tyre match.
No matching front and rear pair
Avon Cobra Chrome
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, tube or tubeless setup, a named tyre match.
No matching front and rear pair
Michelin Commander II
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, tube or tubeless setup, a named tyre match.
No matching front and rear pair
Michelin Commander III Cruiser
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, tube or tubeless setup, a named tyre match.
No matching front and rear pair
Michelin Commander III Touring
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, tube or tubeless setup, a named tyre match.
No matching front and rear pair
Continental ContiClassicAttack
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, tube or tubeless setup, a named tyre match.
No matching front and rear pair
Continental ContiEscape
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, tube or tubeless setup, a named tyre match.
No matching front and rear pair
Continental ContiLegend
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, tube or tubeless setup, a named tyre match.
No matching front and rear pair
Continental ContiMotion
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, tube or tubeless setup, a named tyre match.
No matching front and rear pair
Continental ContiRoad
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, tube or tubeless setup, a named tyre match.
No matching front and rear pair
Continental ContiRoadAttack 4
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, tube or tubeless setup, a named tyre match.
No matching front and rear pair
Continental ContiTour
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, tube or tubeless setup, a named tyre match.
No matching front and rear pair
Continental ContiTrailAttack 3
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, tube or tubeless setup, a named tyre match.
No matching front and rear pair
Metzeler Cruisetec
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, tube or tubeless setup, a named tyre match.
No matching front and rear pair
Pirelli Diablo Powercruiser
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, tube or tubeless setup, a named tyre match.
No matching front and rear pair
Metzeler Enduro 3 Sahara
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, tube or tubeless setup, a named tyre match.
No matching front and rear pair
Mitas Enduro Trail-ADV 2
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, tube or tubeless setup, a named tyre match.
No matching front and rear pair
Mitas Enduro Trail-XT+
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, tube or tubeless setup, a named tyre match.
No matching front and rear pair
Mitas Enduro Trail+
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, tube or tubeless setup, a named tyre match.
No matching front and rear pair
Bridgestone EXEDRA G853 / G852
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, tube or tubeless setup, a named tyre match.
No matching front and rear pair
Bridgestone EXEDRA MAX
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, tube or tubeless setup, a named tyre match.
No matching front and rear pair
IRC GP-21F / GP-22R
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, tube or tubeless setup, a named tyre match.
No matching front and rear pair
Heidenau K60 Scout
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, tube or tubeless setup, a named tyre match.
No matching front and rear pair
Dunlop K750
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, tube or tubeless setup, a named tyre match.
No matching front and rear pair
Metzeler Karoo 4
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, tube or tubeless setup, a named tyre match.
No matching front and rear pair
Metzeler Karoo Street
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, tube or tubeless setup, a named tyre match.
No matching front and rear pair
Metzeler Lasertec
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, tube or tubeless setup, a named tyre match.
No matching front and rear pair
Metzeler ME 888 Marathon Ultra
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, tube or tubeless setup, a named tyre match.
No matching front and rear pair
Pirelli MT 21 Rallycross
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, tube or tubeless setup, a named tyre match.
No matching front and rear pair
Pirelli MT 60 RS
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, tube or tubeless setup, a named tyre match.
No matching front and rear pair
Pirelli Night Dragon
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, tube or tubeless setup, a named tyre match.
No matching front and rear pair
Continental RB 2 / K 112
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, tube or tubeless setup, a named tyre match.
No matching front and rear pair
Michelin Road 5
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, tube or tubeless setup, a named tyre match.
No matching front and rear pair
Michelin Road 6
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, tube or tubeless setup, a named tyre match.
No matching front and rear pair
Michelin Road 6 GT
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, tube or tubeless setup, a named tyre match.
No matching front and rear pair
Michelin Road Classic
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, tube or tubeless setup, a named tyre match.
No matching front and rear pair
Michelin Road W GT
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, tube or tubeless setup, a named tyre match.
No matching front and rear pair
Metzeler Roadtec 01
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, tube or tubeless setup, a named tyre match.
No matching front and rear pair
Metzeler Roadtec 01 SE
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, tube or tubeless setup, a named tyre match.
No matching front and rear pair
Metzeler Roadtec 02
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, tube or tubeless setup, a named tyre match.
No matching front and rear pair
Metzeler Roadtec Z8 Interact
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, tube or tubeless setup, a named tyre match.
No matching front and rear pair
Michelin Scorcher 11
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, tube or tubeless setup, a named tyre match.
No matching front and rear pair
Michelin Scorcher 31
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, tube or tubeless setup, a named tyre match.
No matching front and rear pair
Michelin Scorcher Adventure
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, tube or tubeless setup, a named tyre match.
No matching front and rear pair
Pirelli Scorpion Rally
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, tube or tubeless setup, a named tyre match.
No matching front and rear pair
Pirelli Scorpion Rally STR
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, tube or tubeless setup, a named tyre match.
No matching front and rear pair
Pirelli Scorpion Trail II
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, tube or tubeless setup, a named tyre match.
No matching front and rear pair
Pirelli Scorpion Trail III
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, tube or tubeless setup, a named tyre match.
No matching front and rear pair
Avon Spirit ST
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, tube or tubeless setup, a named tyre match.
No matching front and rear pair
Mitas Terra Force-R
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, tube or tubeless setup, a named tyre match.
No matching front and rear pair
Continental TKC 70
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, tube or tubeless setup, a named tyre match.
No matching front and rear pair
Continental TKC 70 Rocks
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, tube or tubeless setup, a named tyre match.
No matching front and rear pair
Continental TKC 80
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, tube or tubeless setup, a named tyre match.
No matching front and rear pair
Continental TKC 80²
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, tube or tubeless setup, a named tyre match.
No matching front and rear pair
Metzeler Tourance
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, tube or tubeless setup, a named tyre match.
No matching front and rear pair
Metzeler Tourance Next 2
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, tube or tubeless setup, a named tyre match.
No matching front and rear pair
Bridgestone Trail Wing TW101 / TW42
No complete front and rear size pair in this tyre range matches the selected bike and year.
Still needs checking: load rating, any manufacturer restrictions, approved rim width, speed rating, tube or tubeless setup, a named tyre match.
What breaks first and where.
Middle (center) main bearing wear/failure
SeriousOccasionalThe XS650's three-piece pressed crankshaft is supported by a center/middle main bearing (a roller-type bearing at the crank's mid-point) in addition to the outer main bearings. This bearing is widely and persistently discussed in the XS650 owner community as a long-term wear point, particularly on high-mileage engines, engines that have experienced oil starvation, or engines with worn oil pump components reducing lubrication pressure to the center bearing. Progressive wear can allow crankshaft flex/play, leading to increased vibration and, in advanced cases, more serious internal damage.
Symptoms
- Increased engine vibration, especially noticeable as mileage accumulates
- Lateral/axial play detectable in the crankshaft when checked at the alternator or clutch side
- Metallic particles in oil at oil change
- Knocking or clunking noise from the crankcase, especially under starter motor load
Field repairableNo — Diagnosis (checking for crankshaft lateral play) can be done without full engine removal, but the repair itself requires a full engine teardown and crankcase split to access and replace the center main bearing — not a roadside or field repair; typically undertaken as a planned rebuild.
Where to find things
Common locations for jacks, filters, fluids and fuse boxes. Follow the reference link when a picture helps more than words.
Engine oil fill
Engine-oil filler and level-check point on the engine; use the referenced owner-manual level procedure and keep contamination out of the opening.
ReferenceBrake fluid reservoir
Front reservoir at the handlebar master cylinder and rear reservoir beside the rear master cylinder; use the manual's motorcycle attitude for level checks.
Reference