Models KSS & KTS
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Type |
Single Cylinder, 4 stroke. Two overhead Valves operated by overhead Camshaft. |
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Bore and Stroke |
74 mm. 81 mm. |
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Cubic Capacity (Swept Volume) |
348 c.c. |
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Rated Horse-Power |
3.48 H.P. (One Horse Power per 100 c.c.). |
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Tappet Clearances (for Running) |
Inlet .006-in. Exhaust .010-in. |
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Tappet Clearances (for Timing) |
Inlet .025-in. Exhaust .025-in. |
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Clearances set and checked when Engine is cold |
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Position of Engine Serial Number |
Stamped (following the Serial letters"KSS") on near side of Crankcase below Cylinder Base Flange. Letters must be quoted with Serial number when referring to machine. |
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GEARBOXES. |
Type, 4 speed. Constant mesh. Foot controlled. |
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Ratios: Sprocket |
15 tooth |
Top 6.42 |
3rd 7.75 |
2nd 10.2 |
1st 14.7 |
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16 |
6.02 |
7.26 |
9.55 |
13.8 |
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17 |
5.66 |
6.84 |
9.0 |
13.0 |
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For Sidecar work use 15 tooth (smallest available) Sprocket. Gearbox Serial Number stamped on rear of Housing.
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Primary Drive |
Driving Sprocket 21 teeth. |
Rear Driving Sprocket Variable (see above). |
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Driven Sprocket 44 teeth. |
Rear Driven Sprocket 46 teeth. |
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Chains |
Primary : Pitch and Width |
.5-in. .305-in. |
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Roller Diameter |
.335-in. |
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Number of Pitches : |
67. |
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Rear : Pitch and Width |
.625-in. .380-in. |
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Roller Diameter |
.4-in. |
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Number of Pitches. |
99. |
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Wheels |
KTS Front WM3 x 19. |
KSS Front WM1 x 21. |
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Rear WM3 x 19. |
Rear WM2 x 20. |
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Tyres |
Front 26 x 3.25-in. |
Front 21 x 3-in. |
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Rear 26 x 3.5-in. |
Rear 20x 3.25-in. |
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Frame |
Serial Number stamped on right-hand side of upper front Engine Lug. |
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