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Similar Forum Topics
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By Old55
Selling 1994 king quad. $400.00 Complete quad. Engine is stuck.
Located in Highland Mi. 248 514 0888 Old55
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By NorWayMarius
Dear All,
My friend has a Sportman 700 whit hydraulic lifters. On this bike it is buliding up a pressure in the valve cover when we are turning the engine around. We see the plastic valve cover moves up and down during turning the engine.
This happens also when both sparkplugs are out.
Any idea what can caise this?
Best
Marius
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By Tjp5093
I'm working on my 02 Honda forman 400 and I have the side case off. I'm trying to see a picture of how the clutch fork and clutch arm on the end of the shifter shaft line up and what direction to face the triangle bearing with the spring.TIA!!!
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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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