Question about Yamaha YZ 125 Motorcycles

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I have a 1981 Yamaha YZ 125 racer with the radiator mounted on the top of the forks. However the hoses from the engine to the radiator are missing. I have an idea how they run, but don't want to mix it up and run something in reverse. Can anybody explain in detail, or show a photo or 2 on how the hoses run. thanks

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The 1981 radiator set up was always riddled with problems. The anti-freeze was channeled through the frame neck. It always leaked and it ruined the steering head bearings. You can study the set up on the microfiche at bikebandit.com. I would recommend designing your own tubing system and bypass the original design.

Posted on Sep 03, 2010

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Posted on Jan 02, 2017

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