Author Topic: YAMAHA REED VALVE CARBIE RUBBER help????  (Read 2926 times)

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Offline jimg1au

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YAMAHA REED VALVE CARBIE RUBBER help????
« on: October 11, 2007, 12:06:27 pm »
HI
i have a reed valve i need to get a rubber boot carby side.it is in my 1973 cr250m( home made).the hole centers are
73.5mm across the top and bottom and 68mm from top to bottom.anyone have one spare i could buy or tell me which one it is so i a can troll ebay would be good.my dt400 and yz400 are too small.
cheers
jimg

Offline Lozza

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Re: YAMAHA REED VALVE CARBIE RUBBER help????
« Reply #1 on: October 11, 2007, 01:18:40 pm »
If your completely stuck Rob Replica rubber could possibly make on for you and bond it to a steel plate with the holes a the correct distance.His number is on the OzVMX homepage
Jesus only loves two strokes

Offline Rossvickicampbell

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Re: YAMAHA REED VALVE CARBIE RUBBER help????
« Reply #2 on: October 11, 2007, 05:47:49 pm »
if I have it right - have a look here.  These are Sudco in the States but my local shop had some on the shelf?

http://www.sudco.com/vol33/72.pdf

ALternatively have a look through the Sudco site - quite tedious as they stock an awesome amount of gear.

Hope this helps.

regards

Rossco
1974 Yamaha YZ360B
1980 Honda CR250R - Moto X Fox Replica

Offline jimg1au

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Re: YAMAHA REED VALVE CARBIE RUBBER help????
« Reply #3 on: October 11, 2007, 07:16:41 pm »
hi
it looks to me like a 1974 mx360a reed valve body in a home made manifold.the front looks to be dt1f with 2 spigots.this is very roughly built with bits just welded to top and bottom to give it hight.the rubber flange is gone.i was wondering why i couldnot just put the yamaha rubber carby joint on and do away with the nasty bit of plate at the front.then get the rubber made between carby and air filter
cheers
jimg

Offline Freakshow

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Re: YAMAHA REED VALVE CARBIE RUBBER help????
« Reply #4 on: October 11, 2007, 09:56:12 pm »
post the photo of it
74 Yamaha YZ's - 75 Yamaha YZ's
74 Yamaha  flattracker's
70  Jawa 2 valve speedway's

For sale -  PRE 75 Yamaha MX stuff, frame, motors and parts also some YAM DT1,2,A and Suzi TS bikes and stuff

Offline jimg1au

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Re: YAMAHA REED VALVE CARBIE RUBBER help????
« Reply #5 on: October 12, 2007, 10:10:39 am »
hi
have figured it out with the help of ebay asked questions about hole centers on a sc500 inlet joint and it is the same so went to yamaha USA site and checked all the inlet joints that are the same size.now just have to find the one which matches my Honda carby.or change to a mikuni
thanks
jimg

Offline Freakshow

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Re: YAMAHA REED VALVE CARBIE RUBBER help????
« Reply #6 on: October 12, 2007, 02:11:44 pm »
change to the mukuni. 
74 Yamaha YZ's - 75 Yamaha YZ's
74 Yamaha  flattracker's
70  Jawa 2 valve speedway's

For sale -  PRE 75 Yamaha MX stuff, frame, motors and parts also some YAM DT1,2,A and Suzi TS bikes and stuff