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| Lean running 2.6 225 Yamaha http://www.hpbc.ca/viewtopic.php?f=19&t=2941 |
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| Author: | J.Kimmerly [ July 13th, 2015, 4:35 pm ] |
| Post subject: | Re: Lean running 2.6 225 Yamaha |
Im pretty sure there are no air leaks. Ive got it sealed up pretty nice with new gaskets and ive fixed all the pipe plugs from the oil injection delete. I used moto1 gasket maker to join the block where it splits, new orings and seals on the crank. I will have a close look at it though and make sure there are no problem areas. |
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| Author: | Jeff Yammer [ July 13th, 2015, 8:04 pm ] |
| Post subject: | Re: Lean running 2.6 225 Yamaha |
Always good to truly know. Hopefully all works out. I'm really interested to know the motors porting etc. any heights measured ? |
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| Author: | DoktorC [ July 13th, 2015, 8:09 pm ] |
| Post subject: | Re: Lean running 2.6 225 Yamaha |
Jeff Yammer wrote: Always good to truly know. Hopefully all works out. I'm really interested to know the motors porting etc. any heights measured ? I did measure it way back when...but I don't know if I could find my notes. |
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| Author: | hoppy3388 [ July 14th, 2015, 5:53 pm ] |
| Post subject: | Re: Lean running 2.6 225 Yamaha |
doc is that my old powerhead? |
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| Author: | BoomerMuskoka [ July 14th, 2015, 8:49 pm ] |
| Post subject: | Re: Lean running 2.6 225 Yamaha |
hoppy3388 wrote: doc is that my old powerhead? yes... |
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| Author: | J.Kimmerly [ July 15th, 2015, 2:31 am ] |
| Post subject: | Re: Lean running 2.6 225 Yamaha |
Hoppy do you have the carbs that were set up for this powerhead still? |
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| Author: | OneCycle [ July 15th, 2015, 2:24 pm ] |
| Post subject: | Re: Lean running 2.6 225 Yamaha |
what jets are in the carbs? stock 140? i think i remember 180's in the carbs for this motor... does that sound right Doc? just trying to remember.. |
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| Author: | J.Kimmerly [ July 15th, 2015, 3:57 pm ] |
| Post subject: | Re: Lean running 2.6 225 Yamaha |
The carbs that came with it had 180s in it. No signs of any air leaks. Today i put in Air jets around half the size and it seems to have made difference. I was actually running around on the 180 main jets this morning. Its still not where i think it should be but it will get me through this weekend. |
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| Author: | DoktorC [ July 15th, 2015, 4:19 pm ] |
| Post subject: | Re: Lean running 2.6 225 Yamaha |
180's but with low compression heads is how it was set up when James had it. I'm glad the small air jets are helping. Sounds like they are the ticket. |
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| Author: | J.Kimmerly [ July 18th, 2015, 4:38 am ] |
| Post subject: | Re: Lean running 2.6 225 Yamaha |
What is the total advance on the computer ignition? Should I look for the basic ignition? |
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