I just put a old ninja carb and crankshaft in my arrow. Im running it in my buggy this weekend with a OS 2050 pipe on 25% nitro with P3 plug. It will be interesting to see the run times i get, as i found whilst throwing a tune on it in the back yard the 2050 pipe made the engine sound like it was running rich yet when i leaned it off a liitle to tune to the sound it would bog down (too lean). It seems to run better with the changes (but maybe its all in my head). I also put a arrow piston/sleeve in another old ninja motor to give it a new life. I threw an old GRP (novarossi brand) ninja pipe on it and it went crazy, It will also be interesting to see what run times it gives with this pipe.
Has anyone else messed with these engines and crossed over carbs/rods/crankshafts from old ninja/os motors. Ive been going to do this for a while just only got motivated enough today to get the hex drivers out and pull them apart
Im interested to hear opinions on this, im not trying to re invent the wheel but like most racers have alot of old OS/ninja engine parts laying around and the cash is too tight to throw around for club races