| |
Bullet 350CC |
Bullet 500CC |
| Engine: single cylinder 4 stroke with overrhead valve |
| Cubiс capacity |
346 сс |
499 cc |
| Stroke |
90 mm |
| Bore-nominal |
70 mm |
84 mm |
| Actual |
69.875 mm |
83.96 / 83.97 mm |
| Compression ratio |
7.25 : 1 |
6.5 : 1 |
| Compression pressure |
110 ± PSI (recommended) |
| Engine output |
18 BHP / 5625 RPM |
22 BHP / 5400 RPM |
| Torque |
2.74 Kgm / 2875 RPM |
3.5 Kgm / 3000 RPM |
| |
| Piston and piston rings: |
| |
Ring clearance in grooves: |
| Plain (2) |
.001 / .003'' |
| Scrapper |
.002 / .004'' |
| Ring end gap in bore |
.015 / .020'' |
| Maximum ring gap permissible |
0.030'' |
0.039'' |
| Gudgeon pin diameter |
.7498 / .7500'' |
| Crank pin diameter |
1.24875 / 1.249'' |
| Connecting rod small end diameter |
.7505 / .7507'' |
| |
| Crankshaft: |
| Driving side ball bearing |
25 x 62 x17 mm (6305) |
| Roller bearing |
25 x 62 x17 mm (NU 305 or N 305) |
| Timing side roller bearing |
25 x 62 x15 mm (NU 205 or N 205R) |
| Cam lift |
.3125 in |
| Valve lift |
.3125 in |
| |
| Valve timing with .012'' clearance: |
| Exhaust opens |
75º BTDC |
| Exhaust closes |
35º ATDC |
| Inlet opens |
30º BTDS |
| Inlet closes |
60º ATDS |
| Rocker bearing inside diameter |
.625 / .626'' |
| Rocker spindle diameter |
.6235 / .624'' |
| Inlet valve stem diameter |
.3425 / .3430'' |
| Exhaust valve stem diameter |
.3405 / .3410 |
| Valve guide internal diameter |
.3437 / .3447'' |
| Valve guide external diameter |
.6270 / .6275'' |
| Tappet guide internal diameter |
.3752 / .3760'' |
| Tappet guide external diameter |
.7505 / .7510'' |
| |
| Lubrication |
Dry sump, Oil tank integral with crank case |
| |
| Clutch: Wet multiplate, Oil immersed |
| Engine sproket |
25 teeth |
| Clutch sprocket |
56 teeth |
| Primary drive chain |
3 / 8'' pitch Duplex chain |
| |
| Gear Box: |
| Overall gear ratios |
5.32, 7.26, 9.80, & 14.80 |
5.01, 6.83 , 9.22 , & 13.93 |
| Mainshaft ball bearings |
small - 6303, large - 6206 |
| Final drive sproket |
16 teeth |
17 teeth |
| Rear drive chain |
5 / 8'' pitch chain |
| Brake drum sproket |
38 teeth |
| |
| Carburettor: |
| Model |
Mikcarb-VM-24 |
Mikcarb-VM-28 |
| Main jet |
90 |
110 |
| Pilot jet |
25 |
25 |
| |
| Contact Breaker (Coil ignition): |
| Points gap |
0.35 to 0.4 mm |
| Timing before T.D.C. |
0.8 mm |
| Spark plug |
14 mm B7HS (NGK) |
BR8ES (NGK) |
| Spark plug gap |
0.46 - 0.5 mm |
| Condenser (Capacitor) |
0.18 - 0.25 M.F.D. |
| |
| Suspension: |
| Front |
Telescopic, Hydraulic damping |
| Stroke |
155 mm |
| Rear |
Pivoted fork with shock absorbers |
| Wheel rim type |
WM 2 - 19 |
| Tyre size |
3.25 x 19 (Front), 3.50 x 19 (Rear) |
| Wheel bearings |
17 x 40 x 12 mm (6203 or 6203 ZZ) |
| Brakes |
Mechanical, Internally expanding shoe type |
| Front |
Single Leading shoe |
178 mm x 38 mm Twin Leading shoe |
| Rear |
153 mm x 25 mm Single Leading shoe |
| |
| Fuel tank |
| Fuel tank capacity |
14.5 litres |
| Reserve capacity |
1.25 litres |
| |
| Oil capacity and grade: |
| Oil tank |
2.25 litres, SAE-20W50 |
| Fork |
200 ml on each leg. Hydraulic oil or SAE-10W30 |
| Clutch |
420 ml SAE-20W40 |
| Gear box |
700 grams of veedol '00' grease (for topping up use SAE-20W50) |
| |
| Dimensions: |
| Dry weigth |
163 Kg |
168 Kg |
| Max pay load |
172 Kg |
| Ground clearance |
14 cm |
| Overall length |
212 cm |
| Overall width |
75 cm |
| Saddle height |
85 cm |
| Wheel base |
137 cm |
| |
| Electrical system |
12 V DC |
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