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| 74 H2B Carb identification http://www.kawi2strokes.com/forum/viewtopic.php?f=13&t=15008 |
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| Author: | kc15842 [ Fri Apr 12, 2024 4:22 pm ] |
| Post subject: | 74 H2B Carb identification |
I would appreciate your expertise. I read the S/B and see there was an issue with the early carbs on these bikes. Post S/B appears to be impression stamped H2-4 on the body. This carb is stamped H2-5, is that a later revision? Thanks apologies for the poor-quality photo |
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| Author: | BarryB [ Fri Apr 12, 2024 5:00 pm ] |
| Post subject: | Re: 74 H2B Carb identification |
Um, you might post a different picture? |
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| Author: | H2RTuner [ Fri Apr 12, 2024 5:34 pm ] |
| Post subject: | Re: 74 H2B Carb identification |
If the stamping is "H2" and the number "5", it would be the 4th modification of the original H2 carb, very late model. Does the bowl have a threaded banjo fitting on it? If so, that is for one of the 4 oil lines from the oil pump. |
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| Author: | Jim [ Fri Apr 12, 2024 6:17 pm ] |
| Post subject: | Re: 74 H2B Carb identification |
BarryB wrote: Um, you might post a different picture? It looks OK if you tell your browser to shrink it to 25%. |
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| Author: | kc15842 [ Fri Apr 12, 2024 10:25 pm ] |
| Post subject: | Re: 74 H2B Carb identification |
Jim wrote: BarryB wrote: Um, you might post a different picture? It looks OK if you tell your browser to shrink it to 25%. Thanks, it was kicking my ass |
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| Author: | kc15842 [ Fri Apr 12, 2024 10:27 pm ] |
| Post subject: | Re: 74 H2B Carb identification |
H2RTuner wrote: If the stamping is "H2" and the number "5", it would be the 4th modification of the original H2 carb, very late model. Does the bowl have a threaded banjo fitting on it? If so, that is for one of the 4 oil lines from the oil pump. Sure does, thanks for the response. Any idea what's different? |
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| Author: | H2RTuner [ Sat Apr 13, 2024 1:33 pm ] |
| Post subject: | Re: 74 H2B Carb identification |
Could be anything from air corrector, jets, float bowl gasket, name it. |
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| Author: | kc15842 [ Sun Apr 14, 2024 1:02 pm ] |
| Post subject: | Re: 74 H2B Carb identification |
H2RTuner wrote: Could be anything from air corrector, jets, float bowl gasket, name it. Thanks, looks like they had issues with the early carb and the jets. I was just happy they are a later configuration. You really don't know what you have until its on the bench. |
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| Author: | H2RTuner [ Sun Apr 14, 2024 3:23 pm ] |
| Post subject: | Re: 74 H2B Carb identification |
Two reasons for "updates", lower power levels/porting, and that Holier of Holy words.... EMISSIONS. |
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| Author: | kc15842 [ Tue Apr 16, 2024 9:33 am ] |
| Post subject: | Re: 74 H2B Carb identification |
H2RTuner wrote: Two reasons for "updates", lower power levels/porting, and that Holier of Holy words.... EMISSIONS. Great info, thank you sir |
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