At The Back Of The Pack
Arm chair racerAt the back of the pack
I recently purchased a '85 Tri-Z with a 5 speed. Question: what is the difference between the '85 and '86 in terms of engine? Can I convert the '85 engine into a 6 speed trans from a '86 motor? Will it fit or when they made changes in '86, did they change the whole engine?
If that can't work, is there another 6 speed engine out there to where it's gears would fit into the '85? I want to keep the motor but upgrade the trans if possible. Thanks for your time.
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The day begins with 3WW
You can plop a 86 trans into a 85 and make it a 6 speed. Motors were pretty much the same between years. Hope this helps!
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Loves Corn.
Catch me if you can
YES swap the whole tranny! gears,shift drum,shift forks
At The Back Of The Pack
Arm chair racerAt the back of the pack
That does help. Can anyone else confirm so I can move forward? I trust your answer but second opinions always help. If anyone has done this, is there anything I should look out for?
At The Back Of The Pack
Arm chair racerAt the back of the pack
Ok, must have been typing at the same timeThanks for the reply.
Loves Corn.
Catch me if you can
great time to replace crank bearings and seals wile you got it apart!!!!
At The Back Of The Pack
Arm chair racerAt the back of the pack
Whenever I buy anything, I usually do a complete teardown to check on any worn parts so it doesn't cost more in the future. I just figured since I'll have this one apart next month, I'd upgrade the trans if possible. Anything else I should look at or replace? Never owned a Z before.
Loves Corn.
Catch me if you can
check the shift shaft for bent or bad splines, check the clutch baskit gear for excessive play and grooves in the baskit from plates,the clutch rod for wear on the ends and the ball for flat spots,replace the water pump impeller with one that yamahondaman makes! solid alum...
Power User
The day begins with 3WW
Does the 86 tranny have a higher top speed? What are the perks to having the 6 speed? If the 85 and 86 have the same top speed, I would assume to keep my 5 gears.
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Go with the 86' 6-speed. I wish I had the extra gear on mine. And yes it should be faster.
Power User
Got the holeshot
i did the swap, better low end, more top end speed
1985 With "86" Plastic's,Custom 12" Alluminum Extended Swing Arm,39MM PWK,"TRX" Filter,9 Paddle TALLER HALLER'S on 11" Wide Rim's,LOT'S of Stainless,LOT'S of Alluminum,LOT'S of PowderCoating,NOTHING Stock..
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At The Back Of The Pack
Arm chair racerAt the back of the pack
You confirmed what I was told. Now, need to find a six speedOriginally Posted by 03 ORANGE SHEE
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