Specifications:

JAP (John Alfred Prestwich) 600cc

Performance Figures:

Power:

15 BHP

Torque:

N/A

Max BMEP:

N/A

Engine Specifications:

General Data:

Single cylinder engine with a dry sump and an alloy crank case and cast iron block and head. Side valve engine.

Bore

83mm (3.25”)

Stroke

N/A

Firing Order

1

Crankcase Ventilation

Crankcase breather

Engine Mounting

2 point solid mounting

Clutch

143mm (5.625”) 4 disk muti-plate dry

Carburetor

Bowden

Fuel Pump

Gravity fed

Air Cleaner

None

Oil Filter

None

Water Pump

None

Fan

None

Electrics

6v positive earth

Alternator / Dynamo

Dynamo Miller 6 volt

Starter Motor

Kick Start

Distributor

Miller Sliding contact breaker points

Drive

Skew gear from crankshaft

Ignition Advance

Pull Cable

Overall Dimensions:

Length (Front to Back)

280mm (11”)

Height

485mm (19”)

Width

292mm (11.5”)

Dry Weight

Not Available