Knocking sound
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Joined: May 2010
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From: Canada
Knocking sound
Any ideas on the cause of a knocking sound on the LOWER LEFT of the engine. Ive replaced the CCT by the way.
The sound is more noticeable when the engine warms up.
The bike is a `91 F2 with 62,000 km which is about 37,000 miles.
The sound is more noticeable when the engine warms up.
The bike is a `91 F2 with 62,000 km which is about 37,000 miles.
Senior Member
Joined: May 2010
Posts: 1,753
Likes: 3
From: West Monroe,Louisiana
Could be a lot of things, unfortunately, none of them are going to be good. Since the valvetrain/CCT is on the right side, I'm thinking you might be hearing a con-rod.
Other (cheaper, easier to check) things - maybe something's coming apart in your stator assembly and is knocking around. Possibly your water-pump is seizing up or the bearing for the impeller is shot.
Just throwing some ideas out there.
Other (cheaper, easier to check) things - maybe something's coming apart in your stator assembly and is knocking around. Possibly your water-pump is seizing up or the bearing for the impeller is shot.
Just throwing some ideas out there.
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i have the same problem bike runs mint wen cool.. but once it warms up i hear knocking and the bikes runs like **** and shuts down by itself.. and the temp guage gets real hott..my buddy said his bike usta do that..and after bunch of bs he found that his timing chain was lose
Senior Member
Joined: May 2010
Posts: 1,753
Likes: 3
From: West Monroe,Louisiana
Stator is the generator/alternator assembly for the bike. It is under that cover on the left side of the motor.
You can find the service manuals here:
for the F2 - http://www.stephygee.com/F2manual.zip
and the common svc. manual - http://www.stephygee.com/hondacommon.zip
Oh - and my 2 cents, sure it's a 20 year old motor, but they aren't the easiest things in the world to find replacements for with mileage that isn't going to warrant a teardown and inspection. Then you have to ship it, then you have to find someone to work on it for you it seems. Why not just put that money into diagnosing and fixing what you have.
You can find the service manuals here:
for the F2 - http://www.stephygee.com/F2manual.zip
and the common svc. manual - http://www.stephygee.com/hondacommon.zip
Oh - and my 2 cents, sure it's a 20 year old motor, but they aren't the easiest things in the world to find replacements for with mileage that isn't going to warrant a teardown and inspection. Then you have to ship it, then you have to find someone to work on it for you it seems. Why not just put that money into diagnosing and fixing what you have.
Last edited by adrenalnjunky; Jul 23, 2010 at 11:18 AM.