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Author Topic: partial trans and misc. engine parts  (Read 1832 times)

Offline dirtyd

partial trans and misc. engine parts
« on: December 01, 2013, 02:09:34 PM »
All parts came out of an 86 bottom end.

For reference go to fiche http://www.rockymountainatvmc.com/oem-schematic/2
Transmission gears in good shape.  Parts that are missing on the countershaft are
#22 #28 #16 #29. On the mainshaft everything is there, #8 3rd/4th gear is not pictured but is included. This gear does have some pitting on the teeth.

On the gear shift assembly the little collar is missing that the shift shaft connects to. The R shift fork is in spec. The L shift fork (not in first pic) is included and is in spec but has a bur wore into it (see pic). I belive this could be fiiled or ground down. I don't have the center shift fork.

All parts in pic asking $125 shipped. I will separate but would like to sell trans gears together.
shipping to lower 48 states, paypal as a gift or add 3%
87 trx250r- ESR 310 (trx9 porting) trx5 pipe, 38mm A/S, +2 a-arms. works triple rates.
86 trx250r- basically stock (SOLD)
05 Predator 500- some bolt on stuff
87 Tecate4- new project

Offline dirtyd

partial trans and misc. engine parts
« Reply #1 on: December 01, 2013, 02:10:23 PM »
pic of left shift forks bur
87 trx250r- ESR 310 (trx9 porting) trx5 pipe, 38mm A/S, +2 a-arms. works triple rates.
86 trx250r- basically stock (SOLD)
05 Predator 500- some bolt on stuff
87 Tecate4- new project

Offline Jerry Hall

partial trans and misc. engine parts
« Reply #2 on: December 01, 2013, 05:55:57 PM »
Quote from: dirtyd;18852
pic of left shift forks bur

That shift fork needs to be thrown away.  The tip thickness may be in spec but the fork is burned up and or bent.  A burned shift fork like pictured above is the result of applying constant pressure on the shift lever to hold the transmission in gear and keep it from popping out of gear.  The transmission will pop of of gear when the dogs on the gear are rounded and or the shift fork is bent.

Offline dirtyd

partial trans and misc. engine parts
« Reply #3 on: December 01, 2013, 08:49:14 PM »
good to know. thats why I left it out of the first pic, figured I'd throw it in if it could be used.
87 trx250r- ESR 310 (trx9 porting) trx5 pipe, 38mm A/S, +2 a-arms. works triple rates.
86 trx250r- basically stock (SOLD)
05 Predator 500- some bolt on stuff
87 Tecate4- new project

 

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