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By Fish0rDie
Was told there was some good information on this forum, so I'm here engaging in some good ole conversation haha. Bought a buggy aka shitcart for 100 dollars. Thing was a woods toy for the past owner. Used and abused until she went boom and was left in a field to die. All things considered that may be an exageration, but the top end of the warrior 350 that was on board was absolutely mangled. Piston and head assembly were totaled. Have a new jug, piston, and head assembly, but struggling to get the crankcase back together without the transmission binding. Can share pics that are on my phone if anyone is interested in seeing this shitty story unfold.
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By DonB
Fuel Injected, 2015 AC XR550XT ATV (renamed the Alterra from 2016 on). 1300 miles.
I had written an earlier post concerning part of the problem, but a new one has arisen...
2 PROBLEMS:
Engine sputters & fails when throttle applied (even from idle and while in Neutral), and, now... Fuel pressure reads @ "0" despite clear line and operational fuel pump. Unit originally suffered fire in muffler - presumably due to engine driveability problem & resulting unburnt fuel... fuel pump ultimately died when starting repairs. Installed a new fuel pump as dealer advised it was the problem. Have now been chasing a proper fix for several months, as, while it generally starts fine, the engine will not take any sort of throttle - even from idle. Instead, it immediately starts to miss, backfire & die. From the beginning, the dealer claimed that a new genuine AC fuel pump was all that was needed. However, the replacement, non-AC fuel pump runs at 42 psi & works fine). NEW ISSUE: Unexpectedly, the first replacement pump stopped registering any fuel pressure (per in-line pressure gauge). This despite confirming both: (a) pump clearly pumping & (b) fuel line - all the way to the fuel injector - clear & delivering fuel. Tried a 2nd replacement pump which, initially, registered pressure (engine performance issues remained). But, when I tried to start it today, no fuel pressure again (and, therefore, apparently no fuel to injector). Again confirmed pump working and fuel line to injector clear & delivering fuel. Engine continues to start easily with starter fluid but, of course, stalls once fluid has burned off. While cleaning/replacing the fuel injector seems the next logical step, it strikes me that, were the injector plugged, I should still be seeing a psi reading on the installed, in-line gauge I've been using (not zero)!
Any ideas before I surrender this to the dealer and a B-I-G bill?
thanx, db
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By carlneedwindshield
Hey Guys, we are looking for some good windshields and back windows for some customers and we came across Flex a fab as a manufacturer, does anyone know about their products?
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By carlneedwindshield
Hey guys, we are looking for a manufacturer to build our windshield and back window, we found Flex a Fab, does anyone know about their products?
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By Ajmboy
View File CFMOTO 250 ATV Engine Manual
CFMOTO 250 ATV Engine Manual originally submitted by @oxidized_black
Submitter Ajmboy Submitted 11/13/2022 Category CFMOTO ATV
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