Added reply in a thread 1979 RM125 cylinder head gasket 12/17/2018 8:09 AM

Thank you

Started new thread 1979 RM125 cylinder head gasket 12/16/2018 11:04 AM

Does the dimple in the cylinder head gasket go down to cylinder or up to head? Thank you for your help. Ted

This forum thread has 3 replies

Added reply in a thread 1979 RM125 need advice on Transmission Bind 11/5/2018 6:12 AM

Thank you for all your help. I have not yet been able to try anything. I did install a new counter shaft bearing. If tap on the shaft does not do it, Will if have to come apart or can i use it the way it is?

Started new thread 1979 RM125 need advice on Transmission Bind 10/29/2018 7:28 AM

After assembling the transmission before installing a new output sprocket, the output shaft was free to spin. Once I tighten the nut on the output sprocket. I now have a slight bind, when rotating the sprocket, I can rotate the sprocket by hand but feel ... more »

This forum thread has 5 replies

Added reply in a thread 1979 RM125 need advice on piston & cylinder assembly 8/30/2018 12:51 PM

It was running perfect before. I am only going to ride it occasional and it was never raced. So i well put it back the way it is. I will not do anything to the cylinder. And thank you vert much.

Started new thread 1979 RM125 need advice on piston & cylinder assembly 8/30/2018 8:09 AM

I have owned this bike since 1980 and this is the first time I had to repair the engine. The kick starter gear broke so I had to take it apart. I have got it together to the point of mounting the cylinder. My question is should I have it bore out. I ... more »

This forum thread has 4 replies

Added reply in a thread 1979 RM 125 Need Directions on how to assemble shift spool and gears 5/23/2018 12:46 PM

Thank you

Added reply in a thread 1979 RM 125 Need Directions on how to assemble shift spool and gears 5/23/2018 8:44 AM

Thank you for that information.

Started new thread 1979 RM 125 Need Directions on how to assemble shift spool and gears 5/22/2018 10:31 AM

I recently took apart my Transmission to replace a Bearing. I need some instructions on how to reassemble the transmission. I think it should be in neutral. I don't know how to tell if I am putting the shift drum back correctly. Please help

This forum thread has 8 replies

Added reply in a thread 1979 RM125 N Need kick starter idle gear 10/13/2017 11:52 AM

The part # that I need is 26260-40200 Kick start Idle gear

Added reply in a thread 1979 RM125 N Need kick starter idle gear 10/13/2017 6:07 AM

Thank you for the information. But I can not find it on Ebay

Started new thread 1979 RM125 N Need kick starter idle gear 10/12/2017 7:54 AM

In 1981 I purchased a 1979 RM125 that I road for many years. I then left it at my parents garage for 25 years, I would ride it in there backyard every couple of years. When my kids got old enough to ride it I went and picked it up. This bike always ran ... more »

This forum thread has 7 replies