montynormand
Member
saw this today. thought someone would be intrested
For Sale: 1972 SR643 YAMAHA
Posted By: David Matten-Dave's Performance Time Posted: 2006-11-06 23:28:02
Location: Sturgeon Lake, MN Email: yamaha@lcp2.net Phone: 218-372-4134
90% Complete and correct. Motor # matching chassis #. Has been sitting since mid 70's. Have some history of machine and owner. Hood very nice very little flaws, Chassis pretty strait-no extra holes or tears except where GP exhaust had to exit. Track very nice. Correct rail type suspension appears all there. Skis are steel but have shocks and cookie cutters. Pipes excellent, all clutch and chaincase parts nice, front bumper repairable-useable, Correct-original hood scoops and windshield, seat there but wood bad and cover taped up. NOS parts included: complete fuel tank assm, repro decal set, rubber exhaust grommet for belly pan exit. Motor all there but needs rebuild,Not running. extra crank parts and case included, Easy restoration. Lots of pictures available. $3900.00 Will take partial trade on 71 SR433 parts or 70-73 SS-GP type sleds.
For Sale: 1972 SR643 YAMAHA
Posted By: David Matten-Dave's Performance Time Posted: 2006-11-06 23:28:02
Location: Sturgeon Lake, MN Email: yamaha@lcp2.net Phone: 218-372-4134
90% Complete and correct. Motor # matching chassis #. Has been sitting since mid 70's. Have some history of machine and owner. Hood very nice very little flaws, Chassis pretty strait-no extra holes or tears except where GP exhaust had to exit. Track very nice. Correct rail type suspension appears all there. Skis are steel but have shocks and cookie cutters. Pipes excellent, all clutch and chaincase parts nice, front bumper repairable-useable, Correct-original hood scoops and windshield, seat there but wood bad and cover taped up. NOS parts included: complete fuel tank assm, repro decal set, rubber exhaust grommet for belly pan exit. Motor all there but needs rebuild,Not running. extra crank parts and case included, Easy restoration. Lots of pictures available. $3900.00 Will take partial trade on 71 SR433 parts or 70-73 SS-GP type sleds.
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my buddy has a complete running 72 he wants to sell. about the same as that one. He also has a brand new never ran set of pipes for it also. aluminum skis . lots of shite. he also has a 77 srx and a pile of parts and a complete 72 sr 433. he has a bunch of extra parts also. fuel injection. a bunch of 77 srx cylinders and motors, apart. and a bunch of 78-79 and 80 srx. he wants 8000 canadian for all. But you would have to bring a huge tyrailer. there is alot of stuff.Or trade for a new phazer fx
montynormand
Member
holy jackpot!
I need to find me some sugar momma someday... LOL
Would he be intrested in selling the Fuel injection cirle m setup only? Always wanted to try them
I need to find me some sugar momma someday... LOL
Would he be intrested in selling the Fuel injection cirle m setup only? Always wanted to try them

talk to him, his name is scott at 306-939-2008
Not to be funny but wasnt the first SR643 built in 1973?
montynormand
Member
'72 is correct from what I know
@montynormand this is something very strange here. I have looked this machine up in the Yamaha part ... And the SR643B was made in 1973 and Yamaha on that time used like 643, 643A and 643B, look it up on all machines. But i figure that they used the engine form GP and EW and those was the A and so on. 1974 they did'nt built any SR643 and in 1975 they came with a bastard who they called SR643 but not B.
Look this up in the part directory and you will see this. I wonder! And I could be wrong, it would not be the first time
Look this up in the part directory and you will see this. I wonder! And I could be wrong, it would not be the first time

montynormand
Member
SR643 was never produced after '73. The parts finder has many errors in years of sleds listed. It is my understanding that the 643b is a '73
toydoc
Member
Monty is right. 72 was the first year for the SR643 (not the 433). 73 was the last with the SR643B.