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450 EXC-R
4 Posts
Discussion Starter · #1 ·
Yo, new member over here.
So, i had the knock!
Went to buy the Dirt Trix Cam Tensioner this afternoon but thought I'd check the bike to make sure it's still factory.
Turns out it wasn't... Cool story bro !!

Now to the point; it has a mechanical Tensioner on there already (glorified bolt) but how do you know how tight to set the thumb screw? i can continue to turn it until it almost disappears.
Is there a way of telling when it's tensioned correctly?
How many turns, can you go too far?

Thanks in advance.

G 🤘


Premium Member
10,668 Posts
If the motor has more than 200hrs, likely that the chain is goosed.

With your manual tensioner, find out what it is and google the install procedure.
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