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38 Posts
Started randomly and got worse over time. Quad will start easy and idle but will not rev up. Pops and backfires and will die if throttle left open.
1 checked fuel pressure. Good
2 found pressure dropped when throttle chopped at idle. Changed fuel pump with new Honda one. Fuel pressure good after. Checked pump screen while I was there.
3 already removed swirl filter and put inline one in. Changed it for new one.
4 checked for intake leaks seems ok to me
5 checked all ground wires
6 tried new gas
7 tried almost sealing air box with and without CRBM
8 tried no air box lid with and without CRBM
9 tried above with and without peashooter in pipe.
10 checked kill switch connections.
11 battery has good charge
I'm at a total loss.....
Tired of throwing parts at it. Any ideas?
1 checked fuel pressure. Good
2 found pressure dropped when throttle chopped at idle. Changed fuel pump with new Honda one. Fuel pressure good after. Checked pump screen while I was there.
3 already removed swirl filter and put inline one in. Changed it for new one.
4 checked for intake leaks seems ok to me
5 checked all ground wires
6 tried new gas
7 tried almost sealing air box with and without CRBM
8 tried no air box lid with and without CRBM
9 tried above with and without peashooter in pipe.
10 checked kill switch connections.
11 battery has good charge
I'm at a total loss.....
Tired of throwing parts at it. Any ideas?