Have not checked the timing.. It does do this in every gear. It runs better not right but better when it gets hot.. when it gets up to running temp it runs a little better . when you take off in first gear it wants to die the you have to fan the clutch to get it to go..
1. I would open the air box and observe whether or not the flapper is opening.
Done it is checked out good
2. You may need to remove the air box to observe that all 4 throttle butterflies are opening and at the same time.
Done checked out good.
3. Make certain all spark plug caps are fully...
I bought the bike thinking it has a vacume problem. I checked all the lines they are good.
The bike runs like **** when cold, wont rev up and dies untill it gets warm..
Then it has flat spots all through the RPM's even when hot. You have to fan the clutch to get it to go. wont pull the tire...
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