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191 Posts
I just put my bike back together. Got the timeing balls on for once with points! (checked with strobe), sync is spot on, tappets are spot on, and mixture I think is close. I just ran it 50 miles to pull the plugs and see.
But my problem since the rebuild is as I'm riding in ever single gear the fastest the engine will rev is 7k. Then it sputters and slips a bit and just hangs at 7k rpm. WOT. I tried this in all 6 gears! It never did this before! Occasionally at idle it will speed up randomly and then slow down. I thought it may be the sync, so I put my motion pro 4 tube sync checker on and both are exactly equal! So I'm kind of at a loss about why this would be happening!
I just recently had to tear the whole engine apart to replace the head as my intake valves where mushromming at the ends. (Check the engine forum here) This head had a new valve job. I lapped the valves.
Mixture off maybe?
But my problem since the rebuild is as I'm riding in ever single gear the fastest the engine will rev is 7k. Then it sputters and slips a bit and just hangs at 7k rpm. WOT. I tried this in all 6 gears! It never did this before! Occasionally at idle it will speed up randomly and then slow down. I thought it may be the sync, so I put my motion pro 4 tube sync checker on and both are exactly equal! So I'm kind of at a loss about why this would be happening!
I just recently had to tear the whole engine apart to replace the head as my intake valves where mushromming at the ends. (Check the engine forum here) This head had a new valve job. I lapped the valves.
Mixture off maybe?