1981 Yamaha XJ 650 "low compression" Questions

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Question about Yamaha XJ 650 Motorcycles

1 Answer

...check and had 70 in that one and 90 in the others.is this too low of compression? Any advice giving would greatly be appreciated Plz visit this site www.xjbikes.com Knight .(yamaha seca XJ750A

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Question about Yamaha XJ 650 Motorcycles

1 Answer

...low compression. If the spark is not good, check one or more of the following a) Weak ignition coil(s) b) Weak CDI unit. c)Loose electrical connections. d) Dirty electrical connections. e)Loose or ...

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low compression in front clyinder low miles ran good all day. took a lunch brake bike will not start.did not make any odd noise. did a compression test compression vary low in front cylender. low mile

Question about Yamaha XJ 650 Motorcycles

1 Answer

...low compression I have low compression Low compression is typically a sign of worn piston rings. The fix is very expensive - overhaul of the engine. You may find it is more economical to replace your ...

Question about Yamaha XJ 650 Motorcycles

1 Answer

...Low compression will affect the engine's ability to idle. So, check the compression. You need to see at least 140 psi of compression in order for it to idle well. Low compression can be caused by ...

Question about Yamaha XJ 650 Motorcycles

1 Answer

...lash) will cause valve leakage - and low compression. If the compression is good - then the carbs are likely clogged up. If the bike has been sitting for more than a few months, have them cleaned

Question about Yamaha XJ 650 Motorcycles

1 Answer

...low compression. Also make sure the kickstart-actuated compression release is not hanging up and causing compression loss after the kick start lever is returned to its parked position. If the valves ...

Question about Yamaha XJ 650 Motorcycles

1 Answer

low compression after changing broken piston rings, dt won't start, and after bump start works very bad, low compression, low power have you checked the valve gap if the valves are open this will ...

Question about Yamaha XJ 650 Motorcycles

1 Answer

low compression because there are 300,000 miles on the bike you may just need a complete overhaul or a new motorcycle. If you had at least 110 compression on all cylinders and they were all with in 10

...valve problem? run a compression check to see if it is low. If low squirt some oil in cylinder and rerun. If it stays low possible valve guide problem. If oil fixes compression then the rings are

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