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Rubber mounting the engine?
Posted: Mon Dec 06, 2010 7:13 pm
by 87m6chris
Anyone tried to isolate the engine from the frame to cut down on the vibrations?
Re: Rubber mounting the engine?
Posted: Mon Dec 06, 2010 8:20 pm
by Suzsmokeyallan
What model are you referring to here.
Re: Rubber mounting the engine?
Posted: Tue Dec 07, 2010 5:02 am
by GT500Andy
T >500 have the rubber mounting bushes not that they are any good! even if you renew them was going to try if I could get some teflon washers in between the frame and engine.
Andy
Re: Rubber mounting the engine?
Posted: Tue Dec 07, 2010 5:30 am
by 87m6chris
Suzsmokeyallan wrote:What model are you referring to here.
Sorry, 1975 T500
Re: Rubber mounting the engine?
Posted: Tue Dec 07, 2010 6:33 am
by Suzsmokeyallan
Some persons have adapted GT750 bushings into T500 engines, this can be done but needs different engine bolts and adapters added to reduce the holes in the frame ears as well.
Re: Rubber mounting the engine?
Posted: Tue Dec 07, 2010 10:25 am
by diamondj
Muzza has a bit on his website on vibration remedy on the T500:
http://www.ozebook.com/compendium/t500_files/tips.htm" onclick="window.open(this.href);return false;
Re: Rubber mounting the engine?
Posted: Tue Dec 07, 2010 2:00 pm
by GT500Andy
Hi 87m6chris doesn’t matter 68-77 were all the same
PEDRO, My GT500 crank has just been done new seals etc. and balanced. So I renewed the bushings but from about 5000 rev's you feel a vibration on the foot pegs.
Andy
Re: Rubber mounting the engine?
Posted: Tue Dec 07, 2010 8:50 pm
by Zook-e
I put Honda CB750F 80 series footpegs on my 68 Cobra and that helps 100% in the foot department.
Re: Rubber mounting the engine?
Posted: Tue Dec 07, 2010 9:04 pm
by 87m6chris
PEDRO wrote:
Jim, the only problem with that bit on muzza's terrific site is its total nonsense as T/GT500 engine bolts are already 12mm not 14 as stated.
I just checked, they are 12mm, so that means just counter boring the engine block to accept
the 750 bushings.
Thanks guys
Re: Rubber mounting the engine?
Posted: Tue Dec 07, 2010 9:34 pm
by 87m6chris
So I think this the part I'd be looking for SKU 09319-10015
Re: Rubber mounting the engine?
Posted: Wed Dec 08, 2010 6:05 am
by johnakay
I did thought of drilling out the foot peg frame and make my own bushings etc .
but I couldn't get hold of two f/peg frame to experiment and later sold my bike .
Re: Rubber mounting the engine?
Posted: Wed Dec 08, 2010 9:35 pm
by Zook-e
One of the best things I found on racing the T500s is to not put so much of your weight on the pegs, this in itself can numb your feet something fierce. I move around a lot on the bike to help turn it.