I've got about 300 miles on the bike (48cc Bikeberry kit with stock carb - .75 jet). It ran pretty good until day before yesterday. I was riding at top end and as I came up to the house I backed off. There was a backfire as I hit the kill switch. I pulled into the garage and parked it. It had never backfired before.
Next morning I took it out and it would only get up to 12mph. I could peddle it up faster, but it would slowly back down to about 12.
Pulling the main jet revealed nothing. I've pulled the magneto cover but I can't see anything obviously wrong there. (I decided not to pull the magnet to check the woodruff key until I received further advice).
That's kinda it for my troubleshooting skills with 2 strokes (it's been a while since I had the 500 Kaw triple).
So I'm looking for suggestions. The engine fires right up and idles well. When I rap the throttle it winds up. It just doesn't have any power to get up to speed. Main jet is fine. It's getting fuel.
Thoughts?
Next morning I took it out and it would only get up to 12mph. I could peddle it up faster, but it would slowly back down to about 12.
Pulling the main jet revealed nothing. I've pulled the magneto cover but I can't see anything obviously wrong there. (I decided not to pull the magnet to check the woodruff key until I received further advice).
That's kinda it for my troubleshooting skills with 2 strokes (it's been a while since I had the 500 Kaw triple).
So I'm looking for suggestions. The engine fires right up and idles well. When I rap the throttle it winds up. It just doesn't have any power to get up to speed. Main jet is fine. It's getting fuel.
Thoughts?