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FJR Motorcycle Forums
Technical & Mechanical Problems
Fuel injection/throttle issues in hot weather
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<blockquote data-quote="RossKean" data-source="post: 1358831" data-attributes="member: 19880"><p>Your problem is that you have a California Spec bike!</p><p></p><p>When the ambient temperature gets hot, vaporized fuel from your tank makes its way to the charcoal canister at the front of the bike. It gets pretty much saturated after a time. When you go to start the bike, the fuel injectors supply the normal amount of fuel BUT air is also being drawn through that fuel-saturated canister making the bike run stinking rich until most of the excess fuel in the charcoal has evaporated off and been burned in the engine. It can take several minutes before the bike runs right.</p><p></p><p>Your choice is to put up with it or do some creative plumbing to eliminate the charcoal canister altogether. Remember to block off the line going to the airbox or unfiltered air could make its way to your engine. Despite the fact that my bike was purchased on the East Coast, it was a Cali bike and I had this issue on very warm days until I "fixed" it.</p><p></p><p>Too bad everything wasn't this easy - at least I hope that is your issue!!</p></blockquote><p></p>
[QUOTE="RossKean, post: 1358831, member: 19880"] Your problem is that you have a California Spec bike! When the ambient temperature gets hot, vaporized fuel from your tank makes its way to the charcoal canister at the front of the bike. It gets pretty much saturated after a time. When you go to start the bike, the fuel injectors supply the normal amount of fuel BUT air is also being drawn through that fuel-saturated canister making the bike run stinking rich until most of the excess fuel in the charcoal has evaporated off and been burned in the engine. It can take several minutes before the bike runs right. Your choice is to put up with it or do some creative plumbing to eliminate the charcoal canister altogether. Remember to block off the line going to the airbox or unfiltered air could make its way to your engine. Despite the fact that my bike was purchased on the East Coast, it was a Cali bike and I had this issue on very warm days until I "fixed" it. Too bad everything wasn't this easy - at least I hope that is your issue!! [/QUOTE]
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FJR Motorcycle Forums
Technical & Mechanical Problems
Fuel injection/throttle issues in hot weather
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