2018 yz450f timing chain install.

porte4773
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porte4773
Edited Date/Time 2/23/2020 4:00pm
Is there an easy way to install a new timing chain? Having one hell of a time getting it over the cam gears.
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adam8781
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adam8781 2/23/2020 2:39pm
2/23/2020 2:39pm
pretty simple, remove cams, cam chain tensioner, install chain first, cams second tensioner 3rd, make sure its timed right and youre done
Paul_Pitzonka
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Paul_Pitzonka 2/23/2020 2:41pm
2/23/2020 2:41pm
The cams can’t be bolted in, there is not enough slack to stretch the chain... I’ve always set the chain on the gears with the cams at a slight angle then placed the cams into their journals... check the timing marks and if need be move the cams accordingly....
porte4773
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porte4773 2/23/2020 4:01pm
2/23/2020 4:01pm
Getting the new chain on is the problem. Same length as old. Just very stubborn. Do not have cap on.
porte4773
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porte4773 2/23/2020 4:03pm
2/23/2020 4:03pm
Paul_Pitzonka wrote:
The cams can’t be bolted in, there is not enough slack to stretch the chain... I’ve always set the chain on the gears with the cams...
The cams can’t be bolted in, there is not enough slack to stretch the chain... I’ve always set the chain on the gears with the cams at a slight angle then placed the cams into their journals... check the timing marks and if need be move the cams accordingly....
Yes . Cap's were not on. Just having a difficult time getting the chain over cam gears. And of course doing it without throwing timing off.

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Paul_Pitzonka
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Paul_Pitzonka 2/23/2020 4:27pm
2/23/2020 4:27pm
Paul_Pitzonka wrote:
The cams can’t be bolted in, there is not enough slack to stretch the chain... I’ve always set the chain on the gears with the cams...
The cams can’t be bolted in, there is not enough slack to stretch the chain... I’ve always set the chain on the gears with the cams at a slight angle then placed the cams into their journals... check the timing marks and if need be move the cams accordingly....
porte4773 wrote:
Yes . Cap's were not on. Just having a difficult time getting the chain over cam gears. And of course doing it without throwing timing off.
If the chain is the same length then there should be no problems... it just may take you a couple tries... sometimes you can set one cam correct then just walk the other cam until it’s correct...

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