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| TM34 jetting options http://www.kawi2strokes.com/forum/viewtopic.php?f=14&t=13000 |
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| Author: | jbabl [ Mon Aug 07, 2017 11:28 am ] |
| Post subject: | Re: TM34 jetting options |
Strange that the list page I posted a link for shows 5 series needles for the TM34, and of course if they're short then suitable as you said, if they go too far at open throttle- If I'm using the clip on top groove of my needle, I'd like to approach middle groove with whatever combination I pick. It's not terribly rich right now Thanks again |
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| Author: | Hawaii-Mike [ Mon Aug 07, 2017 1:00 pm ] |
| Post subject: | Re: TM34 jetting options |
If you're going to keep the needles you're using now, I think if you go to P-2 needle jets then your needle will move up (richer) a notch or two. Here's another place you can buy them: http://www.nichecycle.com/ncs/categorie ... ikuni.html If you're going to change the needles then it might take more experimenting with needle position and needle jet size to get the bike running nicely. |
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| Author: | jbabl [ Fri Aug 11, 2017 1:45 am ] |
| Post subject: | Re: TM34 jetting options |
I found this chart on niche cycle's site, eliminated the ones i thought irrelevant. It has my needle 6F5 listed, so I'm comparing to get something leaner. It looks like i should definitely get a leaner needle jet-lower P, or upper O range. I'm thinking I should get 6DH4, 6DH3 or 6DH2 needles- A B D-1 D-2 D-3 D-4 D-5 D-6 6F5 62.3 38.1 2.515 2.456 2.454 2.364 2.098 1.840 6F4 62.3 32.0 2.515 2.442 2.436 2.206 1.939 1.678 6F8 62.3 34.0 2.512 2.512 2.386 2.214 1.945 1.688 6DH2 62.3 28.0 2.511 2.511 2.466 2.295 2.000 1.660 6F9 62.3 28.9 2.516 2.516 2.475 2.210 1.949 1.678 6FJ6 62.3 35.2 2.505 2.505 2.505 2.376 2.040 1.606 6DH3 62.3 22.0 2.512 2.512 2.458 2.286 1.948 1.607 6DP17 62.3 32.1 2.518 2.518 2.518 2.372 1.834 1.141 6DP1 62.3 38.9 2.511 2.511 2.476 2.312 1.748 1.075 6DH4 62.3 35.5 2.520 2.520 2.440 2.258 1.915 1.575 |
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| Author: | Hawaii-Mike [ Fri Aug 11, 2017 12:48 pm ] |
| Post subject: | Re: TM34 jetting options |
Needle jet and needle info is here: http://kawtriple.com/mraxl/carb/mikunineedle.html My H2 is also lightly ported. I think if you order O-2 needle jets and 6DH2 needles your bike will be rideable. Maybe not perfect but in the ballpark. Those parts will cost around $65 with postage. |
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| Author: | jbabl [ Fri Aug 11, 2017 3:20 pm ] |
| Post subject: | Re: TM34 jetting options |
Yeah I'm thinking 6DH2 looking at the diameters, maybe P-2, O-2 seems far from my current P-6(?) Thanks again John |
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| Author: | jbabl [ Fri Aug 11, 2017 3:23 pm ] |
| Post subject: | Re: TM34 jetting options |
I'm also looking at this link on your post/thread https://docs.google.com/spreadsheets/d/1KYLqZ66e6goihzMcb_7rXIU8AsyQp9TLn3p5B8z0a_4/edit#gid=0 |
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| Author: | Hawaii-Mike [ Fri Aug 11, 2017 4:36 pm ] |
| Post subject: | Re: TM34 jetting options |
Yes there's limited info and others guys needle jets tend to be larger. Soflah recommended O-0 which I thought would be too lean. The O-0 and 6DH3 needle combo is pretty close. Overall, my H2 is running very well. Better than the VM30's. I bought inlet tubes as recommended by BBP and Jyrg, haven't installed them yet. |
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| Author: | jbabl [ Fri Aug 11, 2017 7:48 pm ] |
| Post subject: | Re: TM34 jetting options |
I haven't heard of or seen these tubes, any pics? |
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| Author: | Hawaii-Mike [ Fri Aug 11, 2017 8:25 pm ] |
| Post subject: | Re: TM34 jetting options |
Here's an example from BBP: http://kawasakitriples.myfastforum.org/ ... sc-800.php One thing at a time. First get it jetted then add the tubes. Here's what I bought, only $7 each and they fit TM34's: http://www.ebay.com/itm/2-25-45-Degree- ... 2749.l2649 |
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| Author: | soflah2b [ Sat Aug 12, 2017 6:47 am ] |
| Post subject: | Re: TM34 jetting options |
I ran TM34's for years and spent considerable time and money getting them jetted properly. When I bought them I was told by the distributor that they flow a lot of fuel. He was correct. I ended up at O-0, 6DH2 in the 4th clip, 42.5 pilots 190 mains no air jet. I like the 6DH3 needle much better but it was too rich in the mid range. Ideally if the made N series needle jets I believe a N-6 and 6DH3 would be the perfect combo. I have since gone to VM38's. Results have been good so far. Here is a picture of the silicone tubes. I bought mine from silicone intakes. They were $16.99 each. 60 degree bends. |
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