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| My lesson on premixing http://www.kawi2strokes.com/forum/viewtopic.php?f=14&t=12937 |
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| Author: | Hawaii-Mike [ Sat Jul 08, 2017 12:55 pm ] |
| Post subject: | Re: My lesson on premixing |
The crank on this bike has slotted rods. It was rebuilt before I bought it, around 2012. I have pictures of the rebuilt motor and called the builder to confirm before I bought the bike. The rods are slotted but apparently the inner crank seals are shot because they won't pass the pressure test. If I plug all three cylinders the crankcase will hold 6 psi. Individually, no each cylinder will not hold 6 psi. So, Charlie I guess I can hookup the oil pump now, but then maybe I should put that freshly rebuilt crank in this engine. |
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| Author: | Ja-Moo [ Sat Jul 08, 2017 1:04 pm ] |
| Post subject: | Re: My lesson on premixing |
Does it have a lab seals? they do leak and you have to do all 3 at a time. |
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| Author: | Stev-o [ Sat Jul 08, 2017 9:00 pm ] |
| Post subject: | Re: My lesson on premixing |
Jim wrote: DGA wrote: Plus the other half of the oil gets injected into the carb mount. Well, the intake tract or the carb bowl, depending on the year. I was thinking the same thing, but don't have any experience in this area. Would my '74 H2 have this? |
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| Author: | Jim [ Sat Jul 08, 2017 9:05 pm ] |
| Post subject: | Re: My lesson on premixing |
A '74 should have three lines to the three float bowls and a single line that splits into three that go to the block banjos and on to the crank bearings. Also a 4-output oil pump. Earlier H2s have a 3-output pump and three separate lines to the three block banjos, and then the oil splits to the three intake runners and the three crank passages. |
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| Author: | Hawaii-Mike [ Sun Jul 09, 2017 5:20 pm ] |
| Post subject: | Re: My lesson on premixing |
Moo: The crank has rubber seals. Jim: I recently installed TM34 carbs on it. I think I'd rather adapt the bike to the three-line pump instead of running the H2B/C pump and lines. Another project... |
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| Author: | Jim [ Sun Jul 09, 2017 5:40 pm ] |
| Post subject: | Re: My lesson on premixing |
It's probably easier to put fittings on the bowls, but you can modify the cylinders to go to the 3-output pump. |
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| Author: | BarryB [ Sun Jul 09, 2017 6:58 pm ] |
| Post subject: | Re: My lesson on premixing |
Jim wrote: It's probably easier to put fittings on the bowls, but you can modify the cylinders to go to the 3-output pump. Modify the cyls but the late and early pumps are all semi hard to find in good shape. But Jeff (JRD) can help with helicoil them to new.... |
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| Author: | Ja-Moo [ Mon Jul 10, 2017 8:30 am ] |
| Post subject: | Re: My lesson on premixing |
Hawaii-Mike wrote: Moo: The crank has rubber seals. Jim: I recently installed TM34 carbs on it. I think I'd rather adapt the bike to the three-line pump instead of running the H2B/C pump and lines. Another project... Then i t looks like a crank refurbish is in order..... 
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| Author: | Stev-o [ Mon Jul 10, 2017 8:52 am ] |
| Post subject: | Re: My lesson on premixing |
Jim wrote: A '74 should have three lines to the three float bowls and a single line that splits into three that go to the block banjos and on to the crank bearings. Also a 4-output oil pump. Just checked my basket case and mine does have this. Thanks for the info, Jim. |
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| Author: | evansje1 [ Tue Jul 11, 2017 8:54 pm ] |
| Post subject: | Re: My lesson on premixing |
 [quote="Jim"]
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