6m6 exhaust question

i have decided to build a friends daughter a sj to learn to ride on .
hull given to me , just been growin skeeters in it so hey im gonna build it
also had a old wr3 given to me w a good motor
so i pulled it to swap it out
when out i found the exhaust corroded out
is the chamber the same on 6m6 and 61x? i think it is
thanks
 

Mike W

Infidel
Location
North Florida
I remember years ago I bought gaskets for what I thought was for a 701 breadbox but what I got was smaller and was for a 650. I may be thinking of something else so I could be wrong. Look on Partzilla and see if the gaskets are the same for both.
 
Years ago we swapped out the chambers on a mates 'ski (650 couch). As far as I'm aware the chamber I provided came from a late model Superjet. It came in a job lot of parts from someone who had upgraded their 'ski, so I don't doubt it was a 701 chamber. Fitted perfectly.
 
Part number on gasket on 1990 6m6 is:
6M6-14739-A2-00
Part number on gasket of 1991 6m6 is:
6M6-14613-A0-00

Part number on muffler (exhaust manifold?) on 1991 6m6 is:
6R7-14711-01-9M

Part number on gasket on 1994 61x is:
61X-14613-A1-00

Part number on muffler (exhaust manifold?) on 1994 61x is:
61X-14711-02-00

See:

https://www.yamahapartspro.com/oemparts/a/yam/5003a2e1f870021f60a12766/exhaust-1

https://www.yamahapartspro.com/oemparts/a/yam/5003a2f8f870021f60a127da/exhaust-1

https://www.yamahapartspro.com/oemparts/a/yam/5003a36ff870021f60a12a31/exhaust-1
 
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