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Discussion Starter #1
hy there mates ..i have some problems mowstly with the timing chais
the story goes this way ..bought the damn thing two years ago
last year the timing chains startet to sound more and more loud and started to not start when hot ..neded to cool to start again
took the bike to the mechanic and started to work on the engine
changed timing chains all 4 ..timing chains guides
after that the engine seized .changed the crankshaft and piston rods
neaw after 1500 miles same story started to sound again the chains sound and started to make problems when hot engine ...example in the morning its ok
after the engine gets hot have to tri it more times
ive put manual chain tensioner the chains still sound even when tensioned till the engine slows its revs
exuse my bad english
can someone tell me what the hell is with the damn thing???
thanks
 

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1986 VN750
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Can you post a video of how it sounds?

The VN750 always makes a lot of mechanical noise when running.
 

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Discussion Starter #3
i'l do that however my mechanic agrees is a chain noise but we still do not know how to fix it
it does not have a logic everithing new there
il make avideo today after work thankx!!!!
 

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1986 VN750
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The video is set to private, so we can not see it. Can you set it to unlisted?
 

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Discussion Starter #7
set to unlisted so it can be seen
i have manual tensioners not acct
set manualy till the rpm starts to drop but still the chain noise can be heard while riding...that-s the thing doesnt make any sense ...at list not to me
it feels like something is elongathing the chains wearing them prematurely
thanks mates!!!!
 

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Discussion Starter #8
and now it stopt doesn't start anymore....took it for a spin ...stopet for gas after 1.5 miles doesn-t start ...killed my batery pusing the start button ...i don't understand ....cold engine i just look at it and starts........writing frim gas station wating for mechanic!!
 

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1986 VN750
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3,255 Posts
You know, my petcock made that same noise that you're hearing when the spring was failing. The sound was radiating through the tank as if it was an engine sound, but wasn't.
 

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Discussion Starter #10
codn't be that the problem ...
last night when the bike refused to start ..i waited for a friend to help me ..till he came the bike cool of and started at first push of a buton .!!!!went to his garage trough a poring rain ....stopped the engine to open the doors ...didn-t start again ...
 

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Discussion Starter #11
my logic explination woud be that my timing chains are wered by something and whwn she reaches the operation temp. the timing chains are dialated and f...ks up my timing...
coud be a bad lubrication that weares my chains??????
 

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the warm start issue may be a simple fix.. look into the pickup coil mod for that one. another cause of warm or hot start problem could be a weak battery.
 

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If the cam chains are just a little too tight it can make it not want to start. I figured that out when I switched from auto to manual tensioners.
 
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