i have a yamaha aerox i fitted a new crank berarings and engine it did not start so i tuke it into shop and they fixed it i missed the keyway key anways it worked and they did not put it in so i went and got one put it in and now it want start what can it be

danny, July 2011

?so has it got a woodruff key in between the magneto and the crankshaft or not now ?just by having the timing wrong which it will have been without a woodruff key will not do any damage but it will not start if the key is not in there and in the right place now.

adam bike doctor(of milton keynes motorcycle centre), July 2011