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rusty nuts

ty250r mono shock

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Hi I've had my ty 250r mono for a while now and has Been a very capable machine for my needs . The only problem I have is the mono shock spring unit is to soft and it bottoms out and the chain grinds . It's on the max setting for rebound   . I'm 17 st so might be the fact I'm riding it or may need a replacement?  At 360 quid for a new one any ideas welcome cheers stu

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New shock is the best way to go with a spring for your weight.  Rockshock, Falcon, Ohlins, and others  do a version

Edited by mattylad

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Huge difference with twin shocks vs the mono ride wise. Why not just make a spacer to preload the spring?

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I've been reliably informed there not made to come apart? . 'll tell  the kids tonight xmas is cancelled  dads got a boxing day trial and needs a new shock 👍👍

  • Haha 1

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 The shock is not readily rebuildable, they were too soft stock. You did not say it was blown!

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No not blown but its just not up to having me on its back. .At least I know now they were built for lighter riders than me   . Got me old bultaco that's keen to get out and play so not the end of the world till I get a replacement for it 👍

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2 hours ago, rusty nuts said:

Or weld on some twin shocks for half the price and upset a few😄

You could just weld it solid and make it into a real trials bike...😎

  • Haha 1

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😂 not sure I'm ready for pre 45  just yet .life's hard enough with out giving up on the suspension. 😃

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So back to the spacer on the spring. I will probably do the same on an '84  I recently aquired.

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3 hours ago, lineaway said:

So back to the spacer on the spring. I will probably do the same on an '84  I recently aquired

Don't think this will work, doesn't change the spring rate, but will become coil bound.

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5 hours ago, rusty nuts said:

😂 not sure I'm ready for pre 45  just yet .life's hard enough with out giving up on the suspension. 😃

This rear suspension thing is just a passing phase, it won't catch on...

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The mod we used to do years ago and what I've done to my present Ty is to cut the y shaped bracket that bolts the linkage to the swing arm.

You cut the y bit off a weld in a spacer a few mm thick job sorted.

Also Jonathan Wren motorcycle's services the rear shock..

 

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That's a great idea and can see that would work just fine. we talking maybe 5mm or  more ?suposse it's  trial and error pardon the pun.

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