top end noise

blasterbooy23

New Member
Feb 21, 2013
21
0
0
I have a Yamaha blaster its making a noise in the top end like a tinging noise idk wat it is I just had the bike rebuilt it was borred 60 over the head was milled and the cylinder was ported and polished any help would be great
 
You may need to increase the octane rating of the fuel.

Have you leak tested the new top end?

Do you know your jetting?

Have you done a plug chop?

Is the float level and idle set correctly?