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Classic Bike Trackdays

SDR 200 ENGINE MOUNTS HELP NEEDED

 
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frankclock



Joined: 16 Mar 2017
Posts: 13
Location: Wollongong region Australia

PostPosted: Fri Nov 17, 2017 9:50 pm    Post subject: SDR 200 ENGINE MOUNTS HELP NEEDED Reply with quote

After owning my SDR for close on a year all the little issues seem to have been overcome
So I thought I would look at getting my spare SRD together rather than it being in peices
The chances of a missing fuel tank & seat turning up locally are never likely to happen so a Yamaha SRX 250 tank is being adapted to fit & a TZ yamaha will be the seat
BUT on inspecting the engine mounts they are worn too badly to be used
Can anyone give me hints on replacing these from a local bearing/ isolastic bush supplier or do I make some nylon bushes
As this bike is very unlikely to be used often I dont want to spend more money than its ever going to be worth
As yet I have not looked inside the engine other than strarting it when I first got it
any help on mounting the engine would be great
Thanks
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James P



Joined: 31 Mar 2013
Posts: 91
Location: Sydney, Australia

PostPosted: Sat Dec 09, 2017 10:50 pm    Post subject: Reply with quote

Frank,

As you know, the rubber "Silentblocs" used in the front engine mount assembly have a square section inner portion - I've not seen such an item for sale in my searches for "normal" Silentblocs.

As you may also know, Yasuhiro Tanaka at SDR200.com sells a reproduction front engine mounting assembly which is more substantial than the original...but not cheap (http://www.sdr200.com/?pid=114178968).
However, it looks as if that assembly still uses the Silentbloc with the square section inner, so (assuming he doesn't use secondhand ones) these must still be available from somewhere.

If you can't locate the correct Silentbloc new, your best (cheapest) option would likely be to keep an eye on Yahoo Auctions for a secondhand engine mount assembly in the hope that it will be better than yours.

Regards,
James
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frankclock



Joined: 16 Mar 2017
Posts: 13
Location: Wollongong region Australia

PostPosted: Sun Dec 10, 2017 12:48 am    Post subject: Engine mounts Reply with quote

James
Thanks yet again
My main concern were the rear engine mounts which were in a very poor state
I removed the original rubbers & replaced them with HQ Holden top rear shock rubbers which seem to be fine
The front don't seem to be too bad unfortunately a front engine mount bolt was missing so a new square one was made
The motor is in the frame & the rebuild is on the way I purchased a Yamaha SRX 250 tank from Steve as well as a racing seat these are now fitted
I am only putting the bike together so I can test ride it before deciding what to do with it
I'll keep you posted
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