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Can I remove the oil cooler and block up the cooler line holes in the crankcase without upsetting the flow of oil in the engine on a Lifan 140cc?s Thanks

Tell my 2 sons about clutches They have ruined 2 of them previously They ride the pitbikes like 250 four strokes

We have wrecked 2 gearboxes in our Lifan 140cc I have to buy another 2 engines Just looking for opinions on the best seock 140cc engine eg Lifan Zongshen, YX140 etc Thanks

Lifan gearboxes We have wrecked 2 gearboxes in our Lifan 140cc I have to buy another engine Just looking for opinions Thanks

Whats the best stock 140cc engine to buy eg Lifan Zongshen YX140 etc

I have 2 x DHZ Monster 140cc bikes One you cannot select 3rd gear, goes into neutral and the other shifts from 3rd to 4th under engine breaking into corners Any ideas before I strip them both as to the causes Both gearboxes started playing up today Thanks

Dropping it into our Z50 till I get another frame.

Thinking about doing this. Anyone done it before? What do you do with the carbie and the exhaust? Thanks Pete

Frames We have snapped 2 of these bikes off at the steering stem (alloy frame). They were not abused and had after market forks and shock. One was 6 months old. Really scared him. Should see the skin off my 7 year old as he got tangled in the wreckage.