1986 fz6 need help pleas! - Yamaha FZ6 Forums - FZ6 Motorcycle Forum
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post #1 of 2 (permalink) Old 05-30-2011, 03:10 PM Thread Starter
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1986 fz6 need help pleas!

hey there i have a 1986 fz600 it was running fine until i let it sit for like 2 months and didnt drain anything or even shut off the gas. so now when i start is she runs pretty good but after like 5-10 seconds it will start sputtering and blowing oil and gas mix out of a hose that is on top of like the crank case? the hose pluged into the bottom of the air box the hose is about a 1/4 inch or so bigger than all the rest.if anyone could help that would be awesome i dont really know how the gas got in the oil but i think when it was sitting i had it on a incline cause thats just where i keep in stored and i think gas just leaked trough carbs into the cylinder and around the rings and into the oil im not sure completely thanks

Last edited by natefz6; 05-30-2011 at 03:17 PM.
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post #2 of 2 (permalink) Old 07-12-2011, 10:06 PM
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Change the oil and filter, put some Sea Foam in the gas tank and the oil. Run it for a couple of hours then change the oil again. It sounds like the float is sticking in one of the carbs. If you can get to it with the handle end of a big screwdriver, sometimes you can tap on the bowl and get them to release. The Sea Foam will help clean out any trash and build-up. Make sure to run 93 octane gas only. You will get better performance from it over the 87 crap and eventually once everything is cleaned out your gas milage will go up. Hope this helps.

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