2007 Yzf R6s
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4 Posts
Discussion Starter · #1 ·
So since ive purchased my r6s ive put about 1,500 miles on it. (about 4,350 total) Recently while riding the bike will randomly start to lose power. When I try to rev it, the RPS will either barely rise, or not move. Sometimes reving it will temporarily fix the issue for about a minute or so but this is a huge problem. Sometimes when I squeeze the clutch while this is happening the bike will shut off. the bike turns over and starts fine though. I've read about similar situations where peole advise replacing the coils, or battery, or fuel pump, ect. Usually when this happens ive already been riding it for about 15 minutes and the bike temp is reading about 178-180. Today I happened twice where I had to pull over, shut the bike off, sit for like 30 seconds, power the bike on, and ride again, good as new for a bit. With a bike in this good of shape and low miles I hate that this is happening. I do have a Yoshimura Exhaust with power commander but that's been on the bike since ive gotten it and this problem is newer. I'm trying to sell the bike so i'm not really wanting to just pour a ton of cash onto this bike that I wont get back out. Hoping that someone can give me a good idea of what to do. 
thanks
Trixim
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R6 is Love. R6 is Life.
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154 Posts
Could be your TPS. Feeding odd data to your throttle system... That would not explain the temperature based issue though.
The temperature makes me think it may be an oil issue, when problems start at 180 that usually means the oil is at it's most viscous point. This is when the bike "should" be moving oil through its engine at intended. I once cracked a piston ring and it was so small it didn't leak until very high temps and heavy acceleration that could physically push the oil through the problem spot.
The odd throttle not moving sounds like an issue with the power commander. Have you ever lost power to the bike? IE. disconnected the battery, battery died, cable came loose? This will flash the PC settings completely.
Keep in touch
Joined
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4 Posts
Discussion Starter · #3 ·
Could be your TPS. Feeding odd data to your throttle system... That would not explain the temperature based issue though.
The temperature makes me think it may be an oil issue, when problems start at 180 that usually means the oil is at it's most viscous point. This is when the bike "should" be moving oil through its engine at intended. I once cracked a piston ring and it was so small it didn't leak until very high temps and heavy acceleration that could physically push the oil through the problem spot.
The odd throttle not moving sounds like an issue with the power commander. Have you ever lost power to the bike? IE. disconnected the battery, battery died, cable came loose? This will flash the PC settings completely.
Keep in touch
The battery has died twice since ive gotten the bike, due to my own fault leaving the key turned. So you think then that would be a power commander issue? If so how do I fix that and how much would that cost me? Also, what is a TPS? (I don't know that acronym)
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4 Posts
Discussion Starter · #4 ·
The battery has died twice since ive gotten the bike, due to my own fault leaving the key turned. So you think then that would be a power commander issue? If so how do I fix that and how much would that cost me? Also, what is a TPS? (I don't know that acronym)
Also, I only mention the heat because I notice it happen and I looked down and that's what the temp gage was showing, just mentioning it in case it helps, I don't think the heat is really causing the issue. (But it could be IDK lol) Also, the bike does run correctly about half of the time. I'm letting it sit rn so I don't kill myself on it, and to not damage the bike.
Trixim
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R6 is Love. R6 is Life.
Joined
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154 Posts
Throttle position sensor. Your power commander lost its map data and needs to be reinstalled
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Source: https://www.r6-forum.com/threads/2007-yamaha-r6s-power-loss-sputter-shut-off.440702/
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