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Transmission issues please help me gs gods!

  • Thread starter Thread starter jzfn13
  • Start date Start date
Spent a few more hours pulling the clutch out to test the trans a bit further. I can not tell you how much i hate these JIS philips screws, or how much i appreciate an impact screwdriver... I am happy to say all of the friction material and plates in my clutch look great, no notches on the basket or anything. Unfortunately my transmission is not so great. I spun the primary drive by hand and in every gear it gets really stiff or locked up about every two turns. That leaves the question of if i pull this whole motor and take my chances on an ebay pull, or try to rebuild the trans in this one. I am fairly mechanically inclined. I have rebuilt a few motors in my time, but the prospect of a transmission scares me. Anyone have any idea the difficulty in ripping apart these transmissions? Is it truly a daunting task or am i just being a pansy?
 
o wow, after looking through some manuals i have to say, I think i am going to look for a whole new (used) engine.
 
o wow, after looking through some manuals i have to say, I think i am going to look for a whole new (used) engine.
Somone one said "discretion is the better part of valor" or maybe it was "you got to know when to walk away...etc." I hate transmission work and I think the 650 shafty would be a challenge- are parts available at a reasonable price? Yeah, I'd take my chances on a whole other engine assembly from a junkyard or ebay stripper- the shipping cost is the biggie here if you can't find it local.
 
I wouldn't want to assemble one of these trannys that was totally disassembled but just replacing the main and layshaft is the easiest part of the project, but I didn't disturb the shifter fork assembly and my old tranny just had a slipping primary bevel gear so I just reassembled going by my old tranny.View attachment 16191
 
I replaced the entire transmission on my GPz in one day with the help of a local Suzuki expert. Removed the engine from the frame, inverted it on my bench, removed the secondary shaft, removed the lower case half, and there she was. Got a used tranny off fleaBay for $50-$75 bucks. Slapped her back together and she is still going strong.
I would expect a Suzi to be similar.
 
That's a great pic , shows the little "teeth" on second gear that slides to right to lock up mainshaft for fifth gear. Very ingenius on some guy's part!
 
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