Rokon Specifications
| Trail-Breaker '73 and earlier | Trail-Breaker '74 and later | |
Drive System |
Full time, front and rear wheel drive |
Full time, front and rear wheel drive |
Engine |
West Bend model 82007 used until 1981 (82007 and 82031 engines were later built by Power Bee, US Marine, Chrysler and others) single cylinder, 2 stroke, air blower cooled |
Chrysler model 82031 used after 1981 single cylinder, 2 stroke, air blower cooled |
Piston |
134cc | 134cc. Rokon advertises it as 146cc, but it is not. It has the same bore and stroke as the model 82007 engine |
Power Output |
7 HP at 6,500 RPM. Rokon advertised it as an 8HP engine. | 10 HP at 8,000 RPM after 1981 |
Transmission |
Centrifugal clutch into Albion 3 speed transmission Some early '70s models had a torque converter and no transmission |
Automatic torque converter into 3 speed "plunger" transmission |
Speed Range |
1st gear 0-6 MPH 2nd gear 0-15 MPH 3rd gear 0-25 MPH |
1st gear 0-10 MPH 2nd gear 0-20 MPH 3rd gear 0-35 MPH |
Brakes |
Single disc brake on front miter-box 1966 and earlier had single drum brake built into front wheel |
Dual disc brakes One on front miter-box, one on transmission |
Fuel
Tank |
2 gal. Auxiliary fuel storage, 4.5 gal. per wheel. |
2.7 gal. plastic tank used after 1981 Auxiliary fuel storage, 4.5 gal. per wheel |
Fuel |
Regular gas premixed with two-stroke engine oil at 20:1 | Regular gas premixed with two-stroke synthetic engine oil at 40:1 |
Fuel |
Maximum .45 gal. per hour, 4 hour per tank | Maximum .45 gal. per hour, 5 hour per tank |
Exhaust |
Muffler and spark arrester. Muffler mounted on right side of bike 1972 and earlier. Muffler mounted under rear fender 1972/73 | Muffler and spark arrester. Muffler mounted on left side of bike |
Starter |
Automatic recoil and kick starter | Automatic recoil only |
Ignition |
Weatherproof, points and condensor | Solid-state |
Electrical
|
12 volt alternator optional | 12 volt alternater standard |
Carburetor |
All-position diaphram type. Engine will run in any position | All-position diaphram type. Engine will run in any position |
Wheelbase |
49 inches | 49 inches |
Tires |
6.70-15 Goodyear Traction-Implement with tube Scout uses 8.0-12 tubeless |
6.70-15 Goodyear Traction-Implement with tube Scout uses 8.0-12 tubeless |
Wheels |
15 inch aluminum. Storage tank holds 4.5 gal. Scout uses 12 inch steel spoked wheels |
15 inch aluminum. Storage tank holds 4.5 gal. Scout uses 12 inch steel spoked wheels |
Weight |
180 lbs. | 190 lbs. |
Ground Clearance |
15 inches Scout is 14 inches |
15 inches Scout is 14 inches |
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