Newbie Needs Help!!!
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4th Gear
Joined: Nov 2008
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Newbie Needs Help!!!
I got a 94 1200 sportster with 43000 miles, i traded my quad for it. When having my mechanic look it over for me we came across some questionable issues. First there is absolutely no compression in the back cylinder. We did not do a full compression test but we removed the spark plug and put my finger over the hole and hit the starter and i was able to keep my finger there the whole time. Then upon taking the air filter off i noticed it looks like there was oil all over the inside of the chrome cover and air filter. Upon questioning the guy i traded it from he tried to tell me that the blow back was a issue of bad jetting? I think i got hosed davey, so anyone with some input please enlighten me.
Road Master
Joined: Jun 2008
Posts: 885
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From: Ledyard, CT
I am pretty sure some oil in the air cleaner cover is common and acceptable. I know I usually have a good amount of oil in there. I even noticed it splattering on my oil tank and pipes every now and then. I have not been noticing it since, could be from jetting, not sure about that. It could also mean theres too much oil in the system too I believe.
Road Master
Joined: Jun 2008
Posts: 832
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From: Colorado
Not unless the rubber gasket was completely worn out....
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4th Gear
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Road Master
Joined: Nov 2007
Posts: 1,223
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From: Peoria, AZ
The oil cap blowing off can indicate a pressurized oil tank caused by a kink/blockage in the tank vent line, on the AC breather, or a faulty umbrella valve(s). This will also cause excessive oil in the filter from piston movement pressurization with no outlet and can also blow seals plus feed/return oil flow will be restricted. Oil can also be present from the level being too high or jetting problems which cause air flow imbalance (for lack of better words) on a normally running bike. Do a compression and leakdown test for accuracy unless your finger can read PSI! New rings aren't that big of an expense (relatively speaking) but a pressurization problem can cost the engine.
Outstanding HDF Member
Joined: Aug 2007
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From: fegfsg
rebuild the engine from scratch, its not worth trying to patch up one problem, more will pop up and you will just spend more and more and more
if a evo is taken care of it is VERY reliable. so all these problems point to abuse by the previous owner. dont take your chances with it get it rebuilt. at least you got the bike on a trade, what was the value of the quad?
if a evo is taken care of it is VERY reliable. so all these problems point to abuse by the previous owner. dont take your chances with it get it rebuilt. at least you got the bike on a trade, what was the value of the quad?