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Dirt Bike Discussions By Brand
Suzuki MX & Off-Road Dirt Bikes
help IDing old RM250
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[QUOTE="Chili, post: 975163, member: 29892"] That VIN number should be 17 digits long, count to the tenth digit, if it is a G it's an 86 if it's an H it's an 87. All Suzuki's from that era came with a premix ratio recommendation of 20:1 just as most come with a recommendation of 30 or 32:1 nowadays. If you have no idea what the previous owner jetted the bike to run on for safety I would pick a ratio between 20 and 32:1 and then jet the bike for that ration. I run my 86 125 at 20:1 and don't see a drop of spooge out of it. For the gearbox I would pick any 10-40 oil that does not contain fricition modifiers. In my 86 I use cheap Castrol 10-40 and change it every ride or two. This site will likely be as good as any for online information for the bike. As far as parts most will still be available through your Suzuki dealer or that evil auction site. I had a heck of a time finding a new pipe for my 86 to the point a had a local welder go to town fixing my badly mashed original pipe. [/QUOTE]
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Dirt Bike Discussions By Brand
Suzuki MX & Off-Road Dirt Bikes
help IDing old RM250
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