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Stupid question, where does the coolant overflow mount?


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Anyone have a pic of this. I bought the machine without one. I still have to buy a replacement. I looked on a Yamaha parts fiche but I could not find the coolant bottle anywhere. I have a 93 frame, so did they run them those years?

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I shouldn't have any overheating problems with an over sized radiator right? I did all the other coolant upgrades. My buddies stock 92 had problems with overheating. He slapped a cheap ebay over sized radiator on it and then it was fine. I should be good for riding in 100 degrees or more with the upgrades that I made I would hope.

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well theres more than just radiator size that plays a role in a bike staying cool/overheating.  Too lean of jetting, or too rich of jetting can cause the motor to overheat also.  Along with slow speeds.  A lot of tight trail riders will be riding slow/technical areas and notice their bike starting to run hot and will find a road and open the bike up to get air movement through the radiator.  You have to remember, these bikes may be liquid cooled....but they do not have fans to help draw the heat out of the radiator.  Riding style also depicts the temperature your bike runs.  Lugging the bike will cause the motor to build unwanted heat....ive actually seen 5-10* difference by downshifting and running the motor a little quicker.

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