140cc. Engine 2 Valve. 14BHP. E-START 4 SPEED MANUAL or SEMI AUTO

We have now both options Manual or Semi auto

MANUAL IS IN BLACK

SEMI AUTO IS IN BARE SILVER

Specifications:  140cc High torque

MANUAL

• 56mm alloy cylinder Kit.
• New gear box selector gate positive stop “no jumping gears” 4 speed transmission, strengthened gears, all up gears N-1-2-3-4
• Up rated valve springs 
• Manual clutch Primary
• Valve diameter, 27 inlet, 23 exhaust
• Bore (mm): 56
• Stroke (mm): 57

Supplied in this kit

• Full carb kit PE style 26mm pre jetted with bolts, heat spacer, gaskets
• Choice of manifold
• FORCE filter in Black, Blue or Red
• Reg/rec single phase & BOLT EASY START CDI
• NGK C7-HSA Spark plug
• Exhaust gasket, nuts and studs
• Service and 'Running in' info see link below
• 8mm Breather hose
• Kick start
• Gear changer

We offer a fitting and service for any of our engine range please call the workshop for a quote on 01304 814447

Please check out the other images of the engine fitted into a Monkey bike or a DAX.

Suitable for use in Monkey or Dax bikes

All engines are fitted with the latest kick start SHEER GEARS, this is to protect the engine from any major kick back caused by improper starting.

These gears are designed to take out the energy from a kick back and sheer the gears with out shattering the crank cases.

All engine BHP reading are taken from the crankshaft, rear wheel reading will be lower.

Service Info LINK

Terms and Conditions LINK

If you don’t know what the right option for you is please don’t hesitate to call or email us with the model of your bike and year so we can advise to the right choice. info@ooracing.com Tel 01304 814447