09 SG cam tensioner let loose
#1
09 SG cam tensioner let loose
I figured I'd share that my bike which has < 50,000 miles just gave me a present.
Apparently the one cam tensioner completely wore down through the tensioner material itself and exposed the metal post which the tensioner rides on.
This meant the cam chain was whirling on metal to metal and spewing metal fragments in bottom end and sending junk to the motor. (No damage up top though) Those fragments took out the oil pump by galling the inside, wore the chain, sent fragments thru the motor.
The other tensioner was not far behind this one but did not get down to the metal post yet but was wearing into the tensioner material.
I decided to allow the mechanic to do some other stuff while he is in there.
We are replacing as I said the chains, going with new fueling cams to replace the S&S easy starts, a complete new Fueling kit with bearings, gaskets, billet cam plate, new aftermarket oil pump and new tappets rollers and push rods. What the hell.
Check those cam tensioners guys!
Apparently the one cam tensioner completely wore down through the tensioner material itself and exposed the metal post which the tensioner rides on.
This meant the cam chain was whirling on metal to metal and spewing metal fragments in bottom end and sending junk to the motor. (No damage up top though) Those fragments took out the oil pump by galling the inside, wore the chain, sent fragments thru the motor.
The other tensioner was not far behind this one but did not get down to the metal post yet but was wearing into the tensioner material.
I decided to allow the mechanic to do some other stuff while he is in there.
We are replacing as I said the chains, going with new fueling cams to replace the S&S easy starts, a complete new Fueling kit with bearings, gaskets, billet cam plate, new aftermarket oil pump and new tappets rollers and push rods. What the hell.
Check those cam tensioners guys!
Last edited by Gliden; 01-29-2017 at 07:28 PM.
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boston jim (02-01-2017)
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Gliden (01-30-2017)
#3
#4
ad for feuling stuff- maybe you can save a couple of bucks:
https://www.hdforums.com/forum/touri...-oil-pump.html
any performance work can trigger the search for the next weakest link in the chain.
any signs of this when it started to go? noises etc?
mike
https://www.hdforums.com/forum/touri...-oil-pump.html
any performance work can trigger the search for the next weakest link in the chain.
any signs of this when it started to go? noises etc?
mike
Last edited by mkguitar; 01-29-2017 at 07:43 PM.
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Gliden (01-29-2017)
#7
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#8
How deep are those grooves on the "bad one" compared to the "good one". Any side pics showing the depth reference.
What I'm getting at is...Did the chain wear through or did the plunger bust through first?
I'm seeing the virtually unworn section in the middle (same as the sides) chain shouldn't be able to go deeper than a certian depth without starting to wear the center
Just wondering...
What I'm getting at is...Did the chain wear through or did the plunger bust through first?
I'm seeing the virtually unworn section in the middle (same as the sides) chain shouldn't be able to go deeper than a certian depth without starting to wear the center
Just wondering...
The following users liked this post:
Gliden (01-30-2017)