Clueless87JFrame
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Posts posted by Clueless87JFrame
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Well now that everything is perfect on this little guy - I need to let her go to someone younger that enjoys going fast still ! Pm me for more info - I'd like to get $3700 OBReasonableOffer. Completely rebuilt from the bare frame up. Bike has 0.1 hours on it since rebuild. Arkansas delta region
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https://uploads.tapatalk-cdn.com/20170501/f4e93b1453047d8641e81fc2ae575a3c.jpg[/img
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This go round - I lapped both jugs, and lapped the intake surface to a nice surface and mounted everything up w gaskets and a very thin layer of yamabond. Zero leak down. So it was either the intake gaskets leaking on round one - or the head, or both. I will try to post a video of the piston. I've personally never seen a piston look like this one did - and I've seen a lot of messed up 2 and 4 stroke pistons haha
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Well the great news is she's still running ! The other news (not bad) is I've got some jetting to switch up. Got a nice set of 33mm PWK's from a member - but with my cylinder/porting/setup it's getting a little too much fuel, which is what I wanted it to do for break in but now I'm wanting the speed back I had on the first set of pistons haha
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^ yeah I just got a set of 33 PWK off a fella on here. They look and run great just got to get the jets right so she will gin a little better
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Well back to roll out Take 2 hopefully this one fares better than the last !
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No, 26mm is stock. Even stock carbs can be effective up to 70-80 hp. I said 28mm. I thought you had stock, and was looking to upgrade.
Naw I've got some Mikuni VM34 carbs right now. Not the best but it ran damn good until it popped that oring and smoked that piston. I've got some muriatic acid in going to clean that cylinder with this wkd - try and get the studs out of both jugs to lap them before I attempt to throw it back together - and will do a leak down this go round for sure !
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Kinda what I thought ^^ lol
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If you plan on getting more done to the engine in the future, go 33mm PWK or bigger. If not, 28mm PWK's.
It's got 34mm right now - you recommend going down to stock size carbs for a ported motor ?
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Which Keihin carbs are the shit ? I'm still gonna order some just don't know what jets/size would be optimal for a ported 66.5 engine
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Any idea what brand these are ? We're on it when I found this sleeper jarm
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Depending on all the mods, 35's may be a bit much on there. But if you intend to keep modding it, go for it.
Let me see if I have some port pics. It's bored to 66.5, ported, gonna have a 21cc dome Noss head, and CPI pipes.
here's to the top of the exhaust port Sent from my iPhone using Tapatalk
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I may just clean these VM34 up real good and go through them with a fine tooth comb but man they were spotless and the overall shape of the carbs is great compared to some stuff I've seen. The cables aren't as tight in the top as I'd like but that's what the rubber boot is for I'm imagining
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I know a guy that has some 35 mm PWKs. I sold him some 39 mm alky carbs so I'm sure he'd sell the gas 35s.
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Wanting some brand new ones I don't have to do anything to really besides jetting maybe.
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Something like these ?
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Just trying to figure out anything and everything that could have caused my malfunction. Just never had this kind of problem on outboards. Ever
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These old Mikuni VM34 look like a POS the way the floats slide up and down on that needle. Seems to me it would get jammed up and run the carb out of fuel easily and that obviously ain't what I'm after haha
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Alright last question - what's the best 34/35mm carbs I can slap on this motor I won't have to mess with again for a little while anyway ?
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Good luck man. I've got an 87 that's been a little nightmare
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Prob should have just called fast racing like I suggested, none of this nonsense would be necessary, you'd be opening a box Monday, if you can't get him let me know I'll get him
Well I called a few places and this fella called back first. Explained what I needed and seemed legit. $230 ready to bolt on wasn't bad either. Just gotta figure out some new gaskets and build a leak down tester to use (which luckily I have all the parts I use to pressure test the tanks I build laying around). So hopefully next by the middle of next week - I'll be back in the saddle for another 11 seconds aka two pump chump
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I don't see the bolt needed.
The chariot comes with 2 separate lengths
Well damn - that's gonna suck if it doesn't have all the parts I need.
Ordered a new Noss head, 21cc 13* dome. Real nice fella we talked about what all I needed so maybe this thing will get me in the ball park
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I ordered this one. Hopefully that gasket will come back off relatively easily
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You can order the head from ebay or check the for sale section here. The head isn't special it's the domes that make the magic happen. We recommend chariot because they look good, have less orings to deal with, will accept the the more common domes and are widely available. There are other brands that will accept the same style dome like modquad, vitos, fast, pro design
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Yeah I messaged them on eBay. I'm not looking for a anything besides a motor that will run long enough just to play around with lol. Never would have thought there was that much to the dome design for one of these little motors to either blow or stay together haha. When you fill these things with coolant - is there a special way it has to be done or just fill them? I took the hose off the top of the head to allow any bubbles left over to get out and then put it back on - it's got a billet water pump impeller in it and new bearing/seals to boot. Only hearings I didn't replace were on the crank
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Love my Chariot head
I emailed Chariot and asked them about what they could do for me but haven't heard back from them yet either.
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Jetting Keihin PWK vs VM34 Mikuni
in For Sale - Complete Bikes
Posted
Alright one last question gents. Down to the new carbs jetting. I've got #220 main and #50 pilots in my VM34 Mikuni carbs. I need to the conversion for these 33mm Keihin PWKs (that are currently running #152 mains and #50 pilots). She ran like a top with the Mikunis jet sizes just needing the conversion so she will do the same with the Keihins ! Thanks in advance
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