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· Registered
1 Posts
Discussion Starter · #1 ·
I have recently bought a 1999 honda xr400r off my neighbor and have managed to get it running. The problem I am having is that the bike will only idle/keep running in low RPMs when the choke is fully on but it will only rev out when the choke is off. If it is idling and I try to adjust the choke even a tiny bit it will die. I can turn the choke off while riding and it will run fine until the rpms get low when it will die.
I have cleaned the carburetor out (using carb cleaner and compressed air on all jets and ports) twice thinking that I might have not have cleaned the pilot properly the first time. I have returned the mixture screw to stock and nether of these helped this issue.

Any help would be greatly appreciated. Thanks.

· Super Moderator
13,989 Posts
Does it have a stock air filter and pipes ?
Put some Berrymans B12 Chemtool in the gas and do some "test runs" over a couple of days.
Any chance that the idle setting is just too low ?
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