Cylinder Fin Damping

[Easy-X]

So before I got the DT engine parts vapour blasted I took out all the rubber dampers that were wedged between the fins. I could reuse them but the rubber's in a pretty poor state.

I was thinking of cutting up bending silicone: it's the stuff you'd stuff in plastic pipes before heating and bending to prevent kinks - a bit like the old trick of filling metal pipes with sand.

Silicone has a fairly high melting point (>200ºC) will it be okay or is there some "magic" rubber than you're meant to use on air cooled engines?
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Royal Enfield Continental GT 535, Husqvarna Vitpilen 401, Yamaha XSR700, Honda Rebel, Yamaha DT175, Suzuki SV650 (loan) Fazer 600, Keeway Superlight 125, 50cc turd scooter

[WD Forte]

Pro tip:
use Toblerone
trust me it works and you can eat what you don't use
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bikers smell of wee

[Easy-X]

[WD Forte]

People often use silicone to seal between downpipes and silencers so it should be up to the job temp wise.
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bikers smell of wee

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[redeem ouzzer]

Dampers are still available new. You’ll want to fit them as well, they do take the edge off the engine noise.
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Be a REAL MAN!

[Easy-X]

[stevo as b4]

I'm not sure unless a road used bike needs to be more refined. But to me an air cooled two stroke is all about engine noise, that's why they sound so good! My TY 175 having a very similar engine, had no rubber dampers fitted in the finning, and it sounded really good!

[stinkwheel]

I've seen silicone hose used for this purpose. It's effective.

I personally like to hear an air-cooled 2-t ringing its arse off but some may consider this antisocial.
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“Rule one: Always stick around for one more drink. That's when things happen. That's when you find out everything you want to know.”
I did the 2010 Round Britain Rally on my 350 Bullet. 89 landmarks, 3 months, 9,500 miles.

[JackButler]

If I can remember from my 2t days it's called harmonic vibration & depends much on how the fin is shaped.

[Sister Sledge]

Do without = bike goes faster.

(it won't break the engine not having any fitted)
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CCM 404 DS

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[Easy-X]