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MX, SX & Off-Road Discussions
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New Rider, New Bike, and a few Newb questions...
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[QUOTE="rmc_olderthandirt, post: 1300253, member: 68872"] Oil mix: 3.25 to one gallon (128 oz) is a mixture of 40:1. That is a fairly common mix ratio but is on the lighter side. Be sure to use a good quality oil. As for the kick: If you don't like the kick on a two stroke then you may not enjoy a four stroke at all! MX bikes generally have high performance engines, which means high compression, which means harder to kick over. an "off road" model will have much lower compression and are easier to kick, but then they don't develop the power. A decent pair of boots will make the kick easier. I have bruised the arch of my foot trying to start my bike wearing tennis shoes.... As for the sleeve and engine work: Pretty much standard on a bike that old. The high performance engines are really hard on their piston/rings and they need to be replaced on a fairly regular basis. Ignore them just a little too long and they seize and then the cylinder needs to be bored. Do that a couple of times and you run out of boring room and then it needs to be sleeved, in which case you start over. It is possible, however, that in addition to standard work the head was modified or a higher compression piston was installed. If the compression has been raised above normal levels then you will need to run special race gas, which can be expensive. If you actually want to race this is great, but if you just want to mess around then you don't want to have to deal with buying special 104 octane racing fuel. If it needs 100+ octane and you run 91 octane pump gas (or worse) you will destroy the enigne in short order. Rod [/QUOTE]
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MX, SX & Off-Road Discussions
New Member? Welcome! Go here first.
New Rider, New Bike, and a few Newb questions...
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