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87RM125 Added a reply to 1987 Suzuki RM 125 Crank Pitting
8/2/2020 4:53am Jeez, similar issue with mine. Our impeller was totally separated from the bolt and there was evidence of overheating. Thank you for the help, I’ll give it a try! If you have any spare 87 suzuki parts, I’d be interested in purchasing them. My 87 Suzuki is here to say and if I can’t fix the end of the crank...
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87RM125 Added a reply to 1987 Suzuki RM 125 Crank Pitting
8/1/2020 7:24pm Did you have that issue as well?
87RM125 Added a reply to 1987 Suzuki RM 125 Crank Pitting
8/1/2020 7:24pm Yeah that seems the best way to go... any other or easier ways? Obviously splitting the cases again is a last resort after the motor was assembled. Also, it really is a great bike in my opinion as far as engine operation goes. They run real nice and produce some decent power
87RM125 Started a new thread 1987 Suzuki RM 125
3/24/2020 9:13pm What other years are compatible for the crank?
This forum thread has 7 replies.
87RM125 Added a reply to 1987 Suzuki RM 125
3/24/2020 7:55pm
87RM125 Added a reply to 1987 Suzuki RM 125
3/24/2020 7:54pm
sandman768 Liked a bike check bike that Hannah built
3/24/2020 7:53pm
This bike check has 3 comments.
87RM125 Added a reply to 1987 Suzuki RM 125
3/24/2020 7:50pm We just got news from our machine shop that the left exhaust valve was broken into two pieces 
. Where can I get the best price on the valve?
. Where can I get the best price on the valve?
87RM125 Added a reply to 1987 Suzuki RM 125
3/24/2020 7:45pm We bought a new Pro X rod kit, but the crank does have some pitting and 2-strokes need a weird jig, so we couldn’t take it to a nearby shop with a simple press. Thanks for the response!
sandman768 Liked a reply to forum topic 1987 Suzuki RM 125
3/24/2020 7:43pm
Pro x makes a rebuild kit... I believe 86-87 interchange.. 88 uses a different water pump setup so I think 88 left crank half end is different. I had Ken O’Conner in Ct rebuild my 87 crank with Pro X parts, we had to use oem thrust washers to get the proper crank width. I have a build on here for my 87 that goes into more detail.
This forum topic has 7 replies.
87RM125 Added a reply to F&S Suzuki RM's
3/22/2020 6:40pm I have a 1987 Suzuki RM 125 and I was wondering what other years are compatible for the crankshaft?
87RM125 Added a reply to Your "Corona" project?
3/22/2020 6:37pm I have a 1987 Suzuki RM 125 and I was wondering what other years are compatible for the crankshaft? The rod has TONS of side to side play and I blamed it on a bad rod bearing but the crank has a lot of rust and pitting from sitting in water, so I may get a new crankshaft. I added...