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3 Posts
Hi everyone, first post here, need your knowledge on an issue I have.
I bought a second-hand 2008 DRZ400 SM with Keihin FCR mod installed on recently and everything was ok, until yesterday I had this issue while riding. I had fuel on and my petcock set to "ON" position, my engine failed. After waiting a bit, thinking what to do, I tried to start the bike again and it started for a few more meters. When I turned the petcock to the "PRIME" position, the bike was rolling all good. But now I am completely confused about what is going on. The petcock has 3 positions, the "ON", the "PRIME" and the "RES". For some strange reason, I cannot turn the petcock to the "RES" position at all. Then, when I use the "ON" position, after a few meters the engine will die, either when I downshift and rev-match, or while giving gas, with a lot of popping noise coming from the exhaust. On the "PRIME" position the engine runs just fine, but the manual suggests that it shouldn't be left to "PRIME" for long periods? I suppose the previous owner did some misconfiguration? Any info would be helpful.
I bought a second-hand 2008 DRZ400 SM with Keihin FCR mod installed on recently and everything was ok, until yesterday I had this issue while riding. I had fuel on and my petcock set to "ON" position, my engine failed. After waiting a bit, thinking what to do, I tried to start the bike again and it started for a few more meters. When I turned the petcock to the "PRIME" position, the bike was rolling all good. But now I am completely confused about what is going on. The petcock has 3 positions, the "ON", the "PRIME" and the "RES". For some strange reason, I cannot turn the petcock to the "RES" position at all. Then, when I use the "ON" position, after a few meters the engine will die, either when I downshift and rev-match, or while giving gas, with a lot of popping noise coming from the exhaust. On the "PRIME" position the engine runs just fine, but the manual suggests that it shouldn't be left to "PRIME" for long periods? I suppose the previous owner did some misconfiguration? Any info would be helpful.