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/cgi-bin/YaBB.pl General Category >> Rubber Side Down! >> Slight loss of power mid gear. Recent tire change /cgi-bin/YaBB.pl?num=1463271791 Message started by CodyT on 05/14/16 at 17:23:11 |
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Title: Slight loss of power mid gear. Recent tire change Post by CodyT on 05/14/16 at 17:23:11 Okay, so we noticed some loss of power this past week usually only noticeable in middle of a gear or when keeping at a certain speed. Its almost like im letting of the gas a little then it comes back a second later. We did upgrade the tire to a 150/90 and the old one was a 140/80 but i think it seemed to run fine for a few days after that. Also during the tire change I noticed oil on the air filter as well as a smell of gas and have since switched to the raptor 660 petcock. The loss of power was noticed before the petcock change but i have yet to receive a new air box filter and have the oily one on still. I did soak and clean the filter and left it out to dry until i get a new replacement. Just looking for a little advice and wondered if anyone else has noticed a similar problem. Thanks! |
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Title: Re: Slight loss of power mid gear. Recent tire cha Post by CodyT on 05/14/16 at 17:25:54 i was also told the tires were balanced but i am not certain of this. And i put the rear tire on myself but feel certain i did it correctly. Also i feel that the oil in the airbox has been like that since i purchased it last summer but i may be wrong. |
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Title: Re: Slight loss of power mid gear. Recent tire cha Post by DesertRat on 05/14/16 at 18:12:38 What would I do? start by changing the oil and filter for new Rotella/ZDDP combo. Could be a slipping clutch ... clean the carb next ... could be a stuck float or clogged/restricted jet ... and that's where I would start ... but that's me ... YMMV |
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Title: Re: Slight loss of power mid gear. Recent tire cha Post by Kris01 on 05/14/16 at 20:20:21 Have you rejetted the carb? Are you experiencing a "lean surge"? |
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Title: Re: Slight loss of power mid gear. Recent tire cha Post by Serowbot on 05/15/16 at 06:32:28 Double check that your belt isn't too tight,... also that the rear brake isn't... |
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Title: Re: Slight loss of power mid gear. Recent tire cha Post by justin_o_guy2 on 05/15/16 at 07:47:44 I've been trying to figure out a reasonable response. Good job, Rowboat. Hafta slip a star up on the board.. |
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Title: Re: Slight loss of power mid gear. Recent tire cha Post by CodyT on 05/15/16 at 09:07:19 actually i though my belt seemed a little tight, i could turn it as far as before the change |
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Title: Re: Slight loss of power mid gear. Recent tire cha Post by CodyT on 05/15/16 at 09:13:41 the belt does indeed seem tight. What is the best was to go about loosening it? Do i need to take the rear tire off again? thanks for all the input |
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Title: Re: Slight loss of power mid gear. Recent tire cha Post by Serowbot on 05/15/16 at 09:31:56 Loosen the axle nut,... back the adjusters off a bit,.. wiggle the wheel to let it settle... then check for belt slack. When it feels good and you can twist the belt with your fingers about 90',... retighten the axle... make sure the wheel is running even side to side... |
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Title: Re: Slight loss of power mid gear. Recent tire cha Post by CodyT on 05/15/16 at 10:25:52 FIXED!!! thanks a lot man, you saved the day!!! :) |
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Title: Re: Slight loss of power mid gear. Recent tire cha Post by justin_o_guy2 on 05/15/16 at 10:40:38 The curtains part, the Muppet steps out to center stage And bows, as the crowd goes wild,,,, |
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Title: Re: Slight loss of power mid gear. Recent tire cha Post by DesertRat on 05/15/16 at 11:52:05 Quote:
an overtightened rear wheel caused a power loss when under throttle? WTF??? :o |
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Title: Re: Slight loss of power mid gear. Recent tire cha Post by Serowbot on 05/15/16 at 13:39:09 4F6E786E797F596A7F0B0 wrote:
The belt, RAt... not the wheel... 8-) |
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Title: Re: Slight loss of power mid gear. Recent tire cha Post by CodyT on 05/15/16 at 15:27:11 i just know it fixed the issue. I feel very confused with the tensioners though. can they be tightened unevenly? If so what does that do? |
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Title: Re: Slight loss of power mid gear. Recent tire cha Post by Garry on 05/15/16 at 16:08:31 I noticed these exact same symptoms with my S40 yesterday. Pull in the clutch to change gears and the bike pulled back slightly. Also difficulty in keeping steady progress at town speeds on low throttle! Belt had just been adjusted using the factory tool! Thanks for the info guys. |
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Title: Re: Slight loss of power mid gear. Recent tire cha Post by Kris01 on 05/15/16 at 16:14:48 1438332E03570 wrote:
Don't follow the marks on the tensioners. You have to measure from a fixed point to the centerline of the axle. The adjusters are usually off. If you don't tighten them evenly then the wheel will sit crooked in the swingarm. Basically, you'll drag the tire sideways. |
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Title: Re: Slight loss of power mid gear. Recent tire cha Post by Kris01 on 05/15/16 at 16:16:45 7579707976400 wrote:
Throw that thing away. It will overtighten the belt. |
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Title: Re: Slight loss of power mid gear. Recent tire cha Post by CodyT on 05/15/16 at 18:44:33 Serobot.... were not worthy! http://madogre.com/wp-content/uploads/2016/03/new-were-not-worthy-gif-474.gif |
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Title: Re: Slight loss of power mid gear. Recent tire cha Post by DesertRat on 05/15/16 at 19:54:00 okay Bot ... ...only noticeable in middle of a gear or when keeping at a certain speed. Its almost like im letting off the gas a little, then it comes back a second later... an overtightened belt caused a power loss when under throttle? WTF??? :o |
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Title: Re: Slight loss of power mid gear. Recent tire cha Post by justin_o_guy2 on 05/15/16 at 20:00:52 Friction is friction. Tight equals more. |
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