Not disagreeing with Ja-Moo, but while it's normal for power loss when the engine is hot, the difference isn't huge. It's noticeable, but not enough to make you wonder if something is wrong... ...unless something is wrong.
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| Power loss when hot http://www.kawi2strokes.com/forum/viewtopic.php?f=14&t=9013 |
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| Author: | Sach7581 [ Wed Aug 20, 2014 12:22 pm ] |
| Post subject: | Power loss when hot |
I'm having trouble with mid range power. I have an H1F that is stock except it has pod filters. I raised the needles to the 5th position with no good results. Jetting is stock. I have good throttle response when cold but it goes flat when hot. Ideas? |
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| Author: | Ja-Moo [ Wed Aug 20, 2014 12:33 pm ] |
| Post subject: | Re: Power loss when hot |
2 strokes just lose power when they get hot. I would lower the needle as it sounds like you are too rich when warmed up. |
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| Author: | Jim [ Wed Aug 20, 2014 2:41 pm ] |
| Post subject: | Re: Power loss when hot |
Not disagreeing with Ja-Moo, but while it's normal for power loss when the engine is hot, the difference isn't huge. It's noticeable, but not enough to make you wonder if something is wrong... ...unless something is wrong.
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| Author: | Sach7581 [ Wed Aug 20, 2014 3:11 pm ] |
| Post subject: | Re: Power loss when hot |
Something is wrong. There is a big difference. |
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| Author: | Jim [ Wed Aug 20, 2014 3:36 pm ] |
| Post subject: | Re: Power loss when hot |
Try what Ja-Moo said, but don't rule out something like a failing ignition coil. An H1 feels pretty sluggish on 2 cylinders. |
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| Author: | Zambia [ Wed Aug 20, 2014 4:28 pm ] |
| Post subject: | Re: Power loss when hot |
Is the engine newly bored and rebuilt? |
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| Author: | BarryB [ Wed Aug 20, 2014 5:14 pm ] |
| Post subject: | Re: Power loss when hot |
Coil getting hot - failing. |
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| Author: | fastmike [ Wed Aug 20, 2014 5:45 pm ] |
| Post subject: | Re: Power loss when hot |
1. What is the procedure to test a coil is working properly? 2. Are there replacements available somewhere? 3. Is there a member who offers a rebuilding service? |
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| Author: | Walms [ Wed Aug 20, 2014 6:16 pm ] |
| Post subject: | Re: Power loss when hot |
Sach7581 wrote: I'm having trouble with mid range power. I have an H1F that is stock except it has pod filters. I raised the needles to the 5th position with no good results. Jetting is stock. I have good throttle response when cold but it goes flat when hot. Ideas? H1's have a bad spot around 5k where they are sensitive to jetting. Does your bike 4 stroke or crackle through this RPM? If so, it's rich. This condition gets worse as the motor gets hotter. |
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| Author: | 67lotus49 [ Wed Aug 20, 2014 10:21 pm ] |
| Post subject: | Re: Power loss when hot |
You're not running Emgo pod filters with the chrome cap on the end I hope 
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