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01-05-2012, 11:44 PM
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#1 (permalink) |
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:::Rookie Rider:::
Join Date: May 2009
Posts: 3
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Jacked my quad up
Hello everyone, I recently joined here because I picked up a 1986 LT250R from a guy that said it only had one season on the top end. Had the bike out at Buttercup during the holidays and it was running real good, beating my TRX250R and keeping up with my built DVX400. The motor stalled coming down a dune after a drag race and was restarted by popping the clutch. It turned off again and the motor was locked up. After it cooled down it unlocked but has no compression. I will tear it down this weekend and redo the top end. I am looking for suggestions on good power combinations. Any advise is appreciated. Thanks.
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01-05-2012, 11:47 PM
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#2 (permalink) |
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:::Mini LT50 Rider:::
Join Date: Nov 2011
Location: Central, Louisiana
Posts: 139
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I still have a stock top end on mine but it has some insane port work. It would hold a 230 pound man hanging over the handle bars in a wheelie down a field in 5th gear. I say stay stock and just have it port and polished. Too bad you don't have the a 87+ for the power valve.
__________________
1980 Honda ATC110 (the lil toy/experiment) 1973/2010 Honda ST90TRX (trail 90 motor in a jap frame) 1985 Yamaha YTM225DX (RiverHog) 1986 Yamaha YFM225 Moto4 (every day bike with 25x13.50 Super swampers out back) 1986 Honda ATC200ES BigRed (a living classic) 1987 Suzuki LT250R (my pride and joy and a resto in progress) 2011 Craftsman Rat Rod mower (Rat Fink style) |
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01-06-2012, 11:15 PM
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#4 (permalink) |
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:::Mini LT50 Rider:::
Join Date: Jun 2011
Location: Kailua-Kona, HI
Posts: 127
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high compression
aaen pipe race gas  quadracerhq.com forum is the one to be on for 2 smoker quadracer owners and fanatics 
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07 ltr450 92 Lt250r 04 kasea 90/trx250r front roller/kasea motor back and plastix |
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01-10-2012, 09:47 AM
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#6 (permalink) |
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:::Mini LT50 Rider:::
Join Date: Nov 2011
Location: Central, Louisiana
Posts: 139
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definately stay with a stock cylinder and just have it ported real good. run it a little more rich then normal and youll prolong the life of it
__________________
1980 Honda ATC110 (the lil toy/experiment) 1973/2010 Honda ST90TRX (trail 90 motor in a jap frame) 1985 Yamaha YTM225DX (RiverHog) 1986 Yamaha YFM225 Moto4 (every day bike with 25x13.50 Super swampers out back) 1986 Honda ATC200ES BigRed (a living classic) 1987 Suzuki LT250R (my pride and joy and a resto in progress) 2011 Craftsman Rat Rod mower (Rat Fink style) |
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01-10-2012, 10:12 PM
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#7 (permalink) |
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:::Mini LT50 Rider:::
Join Date: Jun 2011
Location: Kailua-Kona, HI
Posts: 127
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nah, race gas ftw.. better consistency, I'm going to race gas once my bike is running as it should be. or AV gas 110LL or something like that is pretty decent and usually about the price of regular gas or ethanol free gas... much better for the engine I think than the ethanol crap even on 91... ask around on the QRHQ site. all the zilla guys run race gas regardless of mods I believe, they claim it's much better for the motor or something. stock compression I think they run it even. hell, just advance the timing a little lol. I want to once I gettir running good at least gonna advance the plate and try it lol
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07 ltr450 92 Lt250r 04 kasea 90/trx250r front roller/kasea motor back and plastix |
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01-11-2012, 09:49 AM
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#8 (permalink) | |
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:::Mini LT50 Rider:::
Join Date: Nov 2011
Location: Central, Louisiana
Posts: 139
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Quote:
__________________
1980 Honda ATC110 (the lil toy/experiment) 1973/2010 Honda ST90TRX (trail 90 motor in a jap frame) 1985 Yamaha YTM225DX (RiverHog) 1986 Yamaha YFM225 Moto4 (every day bike with 25x13.50 Super swampers out back) 1986 Honda ATC200ES BigRed (a living classic) 1987 Suzuki LT250R (my pride and joy and a resto in progress) 2011 Craftsman Rat Rod mower (Rat Fink style) |
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