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| | #1 (permalink) |
| 1st Gear Member Join Date: Dec 2006 Location: Montclair,Ca
Posts: 96
| CRF150R Jetting I know some of you may say that this is another jetting Thread..I searched & find mixed info. I'm sure some of you out there feel the same way..... Just picked it up for my son on Fathers Day weekend (I'm such a good DAD....HaHa)...came in to dealer after the cam recall..... I have a stock motor, no pipe, stock air filter (with screen). Ride in california 0' to 5500' elevation......Temp now has been about 90-95 deg out....Break in has been done. Mine came with Stock: Slow speed Jet: 45 (Yes, 45. might be what they are installing after the cam recall) Pilot Screw: 2 turns out Leak Jet: 60 Main Jet: 135 With this setup, it does not bog on low end so much, just a pain to start up when warmed up....it was popping on deceleration, but I set pilot screw to 1-1/2 turns out & it helped with the decel popping. I here options like this: Slow speed Jet: 42-45 Pilot Screw: 2 Turns Out Leak Jet: 50 ------Some don't say to change this, just to stay with the stock 60. Main Jet: 138 Wire the Acc pump cam (any one have info on how this is done, a picture would be great) I need help on the hot starting problem, as I still have this problem even with the 45 stock slow speed jet..... Any help would be great, Thank you in advance... Last edited by subarubie; 07-04-2007 at 10:41 PM. Reason: some correction on typing |
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| | #2 (permalink) |
| 1st Gear Member Join Date: Oct 2006 Location: Carrollton, Texas
Posts: 223
| Re: CRF150R Jetting My mechanic has performed the ProCircuit carb mods on my bike. It runs perfect! From the factory the 150R basically sucks. Mine was unridable! On the other hand it is an absolutely killer bike when tuned properly. The best bike I have owned! Have an expert do the work. You wont be disappointed. Scoot |
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| | #3 (permalink) |
| Advertiser Join Date: Mar 2004 Location: ca
Posts: 2,966
| Re: CRF150R Jetting subarubie we run a 138 main slow jet 48 pilot screw 2 turns r&d power bowl it has a adjustable leak jet call me and i will help with the wireing of the pump
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| | #4 (permalink) |
| 3rd Gear Member Join Date: Mar 2007 Location: Highland Park, IL
Posts: 1,183
| Re: CRF150R Jetting what jetting would you recommend here in illinois with temperature around 75-80 degrees and a low elevation? |
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| | #5 (permalink) |
| 1st Gear Member Join Date: Jun 2007 Location: Belleville, Illinois
Posts: 160
| Re: CRF150R Jetting My dad owns a honda shop(Belleville Honda |
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| | #6 (permalink) |
| 3rd Gear Member Join Date: Mar 2007 Location: Highland Park, IL
Posts: 1,183
| Re: CRF150R Jetting What should i run here in illinois with elevation of 0-1000 |
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| | #7 (permalink) | |
| 3rd Gear Member Join Date: Mar 2007 Location: Highland Park, IL
Posts: 1,183
| Re: CRF150R Jetting Quote:
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| | #8 (permalink) |
| 2nd Gear Member Join Date: Feb 2007
Posts: 450
| Re: CRF150R Jetting Why dont u just get hotshot jets |
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| | #9 (permalink) |
| 3rd Gear Member Join Date: Nov 2005 Location: TX
Posts: 1,364
| Re: CRF150R Jetting If you cut that backfire screen out of the air box it will make it a lot better. Crazy how much it restricts it. |
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| | #10 (permalink) |
| 2nd Gear Member Join Date: Feb 2007
Posts: 450
| Re: CRF150R Jetting |
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| | #11 (permalink) |
| 2nd Gear Member Join Date: Feb 2007
Posts: 450
| Re: CRF150R Jetting Hot starting a 4-stroke like that is going to be hard to overcome. It is going to be hard to start once warmed up. |
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