Sample Specifications
Note: Sample Data - Numbers replaced by * symbol. All Cyclepedia Press LLC manuals include complete specifications.
General Specifications
| DIMENSIONS AND DRY MASS | |
| Overall length | *,*** mm (**.* in) |
| Overall width | *** mm (**.* in) |
| Overall height | *,*** mm (**.* in) |
| Wheelbase | *,*** mm (**.* in) |
| Ground clearance | *** mm (**.* in) |
| Seat height | *** mm (**.* in) |
| Dry mass | *** kg (*** lbs) |
| ENGINE | |
| Type | Four-stroke, air-cooled, OHC |
| Number of cylinders | * |
| Bore | **.* mm (*.*** in) |
| Stroke | **.* mm (*.*** in) |
| Piston displacement | *** cm* (**.* cu. in) |
| Compression ratio | *.*:* |
| Carburetor | MIKUNI BST**SS, single |
| Air cleaner | Polyurethane foam element |
| Starter system | Electric starter |
| Lubrication system | Wet sump |
| TRANSMISSION | |
| Clutch | Wet multi-plate type |
| Transmission | *-speed constant mesh |
| Gearshift pattern | *-down, *-up |
| Primary reduction ratio | *.*** (**/**) |
| Final reduction ratio | *.*** (**/**) |
| Gear ratios, Low | *.*** (**/**) |
| *nd | *.*** (**/**) |
| *rd | *.*** (**/**) |
| *th | *.*** (**/**) |
| Top | *.*** (**/**) |
| Drive chain (**** - ****) | DID ***VC*, *** links |
| Drive chain (**** and newer) | DID ***V*, *** links |
| CAPACITIES | |
| Fuel tank, including reserve | **.* L (*.*/*.* US/Imp gal) |
| **.* L (*.*/*.* US/Imp gal) ... For California | |
| reserve | *.* L (*.*/*.* US/Imp gal) |
| Engine oil, oil change | *** ml (*.**/*.** US/Imp qt) |
| with filter change | *** ml (*.**/*.** US/Imp qt) |
| overhaul | *,*** ml (*.**/*.** US/Imp qt) |
| Front fork oil | *** ml (**.*/**.* US/imp oz) |
| ELECTRICAL | |
| Ignition type | Electronic ignition (Fully Transistorized) |
| Ignition timing | *° B.T.D.C. Below at * *** r/min and |
| **° B.T.D.C. Above at * *** r/min | |
| Spark plug | DR*EA or X**ESR-U |
| Battery | **V **.* kC (* Ah)/** HR |
| Generator | Three-phase A.C. Generator |
| Fuse | **A |
| Headlight | **V **/**W |
| Turn signal light | **V **W |
| Taillight/Brake light | **V */**W |
| Speedometer light | **V *.*W |
| Neutral indicator light | **V *.*W |
| High beam indicator light | **V *.*W |
| Turn signal indicator light | **V *.*W |
| CHASSIS | |
| Front suspension | Telescopic, coil spring, oil damped |
| Rear suspension | Link type, coil spring, spring pre-load fully adjustable |
| Steering angle | **° (right and left) |
| Caster | **° |
| Trail | *** mm (*.* in) |
| Turning radius | *.* m (*.* ft) |
| Front brake | Disc brake |
| Rear brake | Internal expanding |
| Front tire size | **/***-** **P |
| Rear tire size | ***/**-** **P |
| Front fork stroke | *** mm (*.* in) |
| Rear wheel travel | *** mm (*.* in) |
Engine Specifications
| VALVES | |||
| ITEM | STANDARD mm (in) | LIMIT | |
| Valve diama | IN. | ** (*.*) | |
| EX. | ** (*.*) | ||
| Valve clearance (when cold) | IN. & EX. | *.**-*.** (*.***-*.***) | |
| Valve guide to valve stem clearance | IN. | *.***-*.*** (*.****-*.****) | |
| EX. | *.***-*.*** (*.****-*.****) | ||
| Valve stem deflection | IN. & EX. | *.** (*.***) | |
| Valve guide I.D. | IN. & EX. | *.***-*.*** (*.****-*.****) | |
| Valve stem O.D. | IN. | *.***-*.*** (*.****-*.****) | |
| EX. | *.***-*.*** (*.****-*.****) | ||
| Valve stern runout | IN. & EX. | *.** (*.***) | |
| Valve head thickness | IN. & EX. | *.* (*.**) | |
| Valve stem end length | IN. & EX. | *.* (*-*) | |
| Valve seat width | IN. & EX. | *.*-*.* (*.**-*.**) | |
| Valve head radial runout | IN. & EX. | *.** (*.***) | |
| Valve spring free length (IN. & EX.) | INNER | **.* (*.**) | |
| OUTER | **.* (*.**) | ||
| Valve spring tension (IN. & EX.) | INNER | *.*-*.* kg (**.*-**.* lbs) at length **.* mm (*.** in) | |
| OUTER | **.*-**.* kg (**.*-**.* lbs) at length **.* mm (*.** in) | ||
| CAMSHAFT and CYLINDER HEAD | |||
| ITEM | STANDARD mm (in) | LIMIT | |
| Cam height | IN. | **.***-**.*** (*.****-*.****) | **.*** (*.****) |
| EX. | **.***-**.*** (*.****-*.****) | **.*** (*.****) | |
| Camshaft journal oil clearance | IN. and EX. | *.***-*.*** (*.****-*.****) | *.*** (*.****) |
| Camshaft journal holder I.D. | IN. and EX. | **.***-**.*** (*.****-*.****) | |
| Camshaft journal O.D. | IN. and EX. | **.***-**.*** (*.****-*.****) | |
| Camshaft runout | IN. and EX. | *.** (*.***) | |
| Rocker arm I.D. | IN. and EX. | **.***-**.*** (*.****-*.****) | |
| Rocker arm shaft O.D. | IN. and EX. | **.***-**.*** (*.****-*.****) | |
| Cylinder head distortion | *.** (*.***) | ||
| Cylinder head cover distortion | *.** (*.***) | ||
| CYLINDER, PISTON and PISTON RING | |||
| ITEM | STANDARD mm (in) | LIMIT | |
| Compression pressure | *,*** kPa ( *** psi) | *** kPa (*** psi) | |
| Piston to cylinder clearance | *.***-*.*** (*.****-*.****) | *.*** (*.****) | |
| Cylinder bore | **.***-**.*** (*.****-*.****) | **.*** (*.****) | |
| Piston diameter | Measure at | **.***-**.*** (*.****-*.****) ** mm (*.** in) from the skirt end. | **.*** (*.****) |
| Cylinder distortion | *.** (*.***) | ||
| Piston ring free end gap | *st | Approx. *.* (*.**) | *.* (*.**) |
| *nd | Approx. *.* (*.**) | *.* (*.**) | |
| Piston ring end gap | *st | *.**-*.** (*.***-*.***) | *.* (*.**) |
| *nd | *.**-*.** (*.***-*.***) | *.* (*.**) | |
| Piston ring to groove clearance | *st | *.** (*.***) | |
| *nd | *.** (*.***) | ||
| Piston ring groove width | *st | *.**-*.** (*.***-*.***) | |
| *nd | *.**-*.** (*.***-*.***) | ||
| Oil | *.**-*.** (*.***-*.***) | ||
| Piston ring thickness | *st | *.***-*.*** (*.***-*.***) | |
| *nd | *.***-*.*** (*.***-*.***) | ||
| Piston pin bore | **.***-**.*** (*.****-*.****) | **.*** (*.****) | |
| Piston pin O.D. | **.***-**.*** (*.****-*.****) | **.*** (*.****) | |
| CONNECTING ROD and CRANKSHAFT | ||
| ITEM | STANDARD mm (in) | LIMIT |
| Connecting rod small end I.D. | **.***-**.*** (*.****-*.****) |
**.*** (*.****) |
| Connecting rod deflection | *.* (*.**) | |
| Connecting rod big end side clearance | *.**-*.** (*.***-*.***) | *.** (*.***) |
| Connecting rod big end width | **.**-**.** (*.***-*.***) | |
| Crank web to web width | **.* ± *.* (*.** ± *.***) | |
| Crankshaft runout | *.** (*.***) | |
| OIL PUMP | |
| ITEM | STANDARD |
| Oil pump reduction ratio | *.*** (**/**) |
| Oil pressure (at **°C,***°F) | > ** kPa (*.* psi), < ** kPa (*.* psi) at *,*** rpm |
| CLUTCH | ||
| ITEM | STANDARD mm (in) | LIMIT |
| Clutch lever play | **-** (*.*-*.*) | |
| Clutch release screw | */* turn back | |
| Drive plate thickness * pc | *.*-*.* (*.***-*.***) | *.* (*.**) |
| Drive plate thickness * pcs | *.**-*.** (*.***-*.***) | |
| Driven plate distortion | *.** (*.***) | |
| Clutch spring free length | **.* (*.**) | |
| TRANSMISSION and DRIVE CHAIN | ||||
| ITEM | STANDARD | LIMIT | ||
| Primary reduction ratio | *.*** (**/**) | |||
| Final reduction ratio | *.*** (**/**) | |||
| Gear ratios | Low | *.*** (**/**) | ||
| *nd | *.*** (**/**) | |||
| *rd | *.*** (**/**) | |||
| *th | *.*** (**/**) | |||
| Top | *.*** (**/**) | |||
| Shift fork to groove clearance | *.**-*.** mm (*.***-*.*** in) | |||
| Shift fork groove width | No. *,*,* | *.*-*.* mm (*.**-*.** in) | ||
| Shift fork thickness | No. *,*,* | *.*-*.* mm (*.**-*.** in) | ||
| Drive chain | Type (**** - ****) | DID ***VC* | ||
| Type (after ****) | DID *** V* | |||
| Links | *** links, ENDLESS | |||
| **-pitch length | ***.* mm (**.** in) | |||
| Drive chain slack | **-** mm (*.*-*.* in) | |||
Carburetor Specifications
| CARBURETOR | ||
| ITEM | SPECIFICATION | |
| Carburetor type | MIKUNI BST**SS | |
| Bore size | ** mm | |
| I.D. No | **AC | |
| I.D. No (CA) | **AE | |
| Idle rpm | * ***±*** r/min. | |
| Float height | **.*±*.* mm (*.** ±*.** in) | |
| Main jet | (M.J.) | #/** |
| Jet needle | (J.N.) | *D** |
| Needle jet | (N.J.) | P-*M |
| Throttle valve | (Th.V.) | #*** |
| Pilot jet | (P.J.) | #** |
| Valve seat | (V.S.) | *.* mm |
| Starter jet | (G.S.) | #** |
| Pilot screw | (P.S.) | PRE-SET |
| Throttle cable play | *-* mm (*.*-*.* in) | |
Electrical Specifications
| ELECTRICAL | ||||
| ITEM | SPECIFICATION | NOTE | ||
| ignition timing | *° B.T.D.C. @ *,*** rpm **° B.T.D.C. @ *,*** rpm |
|||
| Spark plug | Type | ND: X**ESR-U NGK: DR*EA |
||
| Gap | *.*-*.* mm (*.***-*.*** in) | |||
| Spark performance | Over * (*.*) at * atm. | |||
| Signal coil resistance | ***-*** Ω | green to blue wire | ||
| ignition coil resistance | Primary | *-* Ω | Terminal toTerminal | |
| Secondary | **-** kΩ | Plug cap to Terminal | ||
| Generator coil resistance | Charging | *.*-*.* Ω | ||
| Generator no-load voltage | More than **V (AC) at *,*** rpm | |||
| Regulated voltage | **.*- **.*V at *,*** rpm | |||
| Starter relay resistance | *-* Ω | |||
| Battery | Type designation | YTX*L-BS | ||
| Capacity | **V **.* kC (* Ah)/** HR | |||
| Standard electrolyte S.G. | *.** at **°C (**°F) | |||
| Fuse size | **A | |||
| LIGHTS | ||
| ITEM | SPECIFICATION W | |
| Headlight | HI | ** |
| LO | ** | |
| Tail/Brake light | */** | |
| Turn signal light | ** | |
| Speedometer light | *.* | |
| Turn signal indicator light | *.* | |
| High beam indicator light | *.* | |
| Neutral indicator light | *.* | |
Brake and Wheel Specifications
| BRAKE and WHEEL | |||
| ITEM | STANDARD mm (in) | LIMIT | |
| Brake lever play | *.*-*.* (*.***-*.***) | ||
| Rear brake pedal free travel | **-** (*.*-*.*) | ||
| Rear brake pedal height | *.* (*.**) | ||
| Brake drum I.D. | Rear | ***.* (*.**) | |
| Brake lining thickness | Rear | *.* (*.**) | |
| Brake disc thickness | Front | *.* ± *.* (*.*** ± *.***) | *.* (*.**) |
| Brake disc runout | Front | *.** ( *.*** ) | |
| Master cylinder bore | Front | **.***-**.*** (*.****-*.*O**) | |
| Master cylinder piston O.D. | Front | **.***-**.*** (*.****-*.****) | |
| Brake caliper cylinder bore | Front | **.***-**.*** (*.****-*.****) | |
| Brake caliper piston O.D. | Front | **.***-**.*** (*.****-*.****) | |
| Wheel rim runout | Axial | *.* (*.**) | |
| Radial | *.* (*.**) | ||
| Wheel axle runout | Front | *.** (*.***) | |
| Rear | *.** (*.***) | ||
| Tire size | Front | **/***-** **P | |
| Rear | ***/**-** **P | ||
| Tire tread depth | Front | *.* (*.**) | |
| Rear | *.* (*.**) | ||
Suspension Specifications
| SUSPENSION | ||
| ITEM | STANDARD mm (in) | LIMIT |
| Front fork stroke | *** (*.*) | |
| Front fork spring free length | *** (**.*) | |
| Front fork oil level | ***.* (*.**) | |
| Rear shock absorber spring pre-set length | *** (*.*) | |
| Rear wheel travel | *** (*.*) | |
| Swingarm pivot shaft runout | *.* (*.**) | |
Tire Specifications
| TIRE PRESSURE | ||||
| COLD TIRE PRESSURE | SOLO RIDING | DUAL RIDING | ||
| kPa | psi | kPa | psi | |
| FRONT | *** | ** | *** | ** |
| REAR | *** | ** | *** | ** |
Capacities
| FUEL and OIL | ||
| ITEM | SPECIFICATION | |
| Fuel type | ≥ ** octane < **% ethanol < *% methanol |
|
| Fuel tank including reserve | **.* L (*.*/*.* US/Imp gal) | |
| Fuel tank including reserve (California) | **.* L (*.*/*.* US/Imp gal) | |
| Reserve | *.* L (*.*/*.* US/imp gal) | |
| Engine oil type (**** - ****) | SAE **W/**, API SE, SF or SG | |
| Engine oil type (after ****) | SAE **W/**, API SF/SG or SH/SJ with JASO MA | |
| Engine oil capacity | Change | *** ml (*.**/*.** US/Imp qt) |
| Filter change | *** ml (*.**/*.** US/Imp qt) | |
| Overhaul | *,*** ml (*.**/*.** US/Imp qt) | |
| Front fork oil type | Fork oil #** | |
| Front fork oil capacity (each leg) |
*** ml (**.*/**.* US/Imp oz) | |
| Brake fluid type | DOT * | |
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