1980 Yamaha exciter mods - Snowmobile Forum: Your #1 Snowmobile Forum
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post #1 of 5 (permalink) Old 12-06-2012, 08:00 AM Thread Starter
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1980 Yamaha exciter mods

What are some unexpensive mods or upgrades to do to my exciter. It is a 1980 has only 1700 miles on it great condition and good runner.
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post #2 of 5 (permalink) Old 12-06-2012, 09:40 PM
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plastic ski skins. you wont find any off the rack parts, but you can alter some to make a good fit.
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post #3 of 5 (permalink) Old 12-07-2012, 06:26 AM Thread Starter
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Thank you have to get a set
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post #4 of 5 (permalink) Old 12-07-2012, 08:02 AM
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If you really feel into it, there are quite a few things you can do, ranging from cheap to expensive.

First I would recommend changing the bearings, slides, and so on. Sometimes restoring old parts will reduce the drag.

Next, you should look into the carb. The stock butterfly, although it uses less fuel, has less throttle response 76-77 round slide carb. You can also (jetting required) get a brand new mikuni round slide. Some have considered dual carbs, but you will need to find a carb boot that fits the reed cage, which is difficult.
Reeds are another, they don't improve Speed or torque, but they do improve throttle response.

Aaen makes a single pipe for the Exciters, some say there is moderate gain to be had there.

I highly recommend a new camplast .75" track, I have used it for a season, and it has given me fantastic results over the stock track.

If you don't mind tearing it apart, you can port it, and/or bore it out, and use over-sized pistons.

Non-pivot riser, as some feel that the handle bars are too short.

That about all I can think of at the moment, I'm sure there are a few more that I'm missing...

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post #5 of 5 (permalink) Old 12-22-2013, 08:43 PM
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Another big vast improvement is the 485 phazer top end upgrade an thats also gonna give u twin carbs theres mulit variations of how extream u can go i just did it my self mine is around 82 83 horse i did my self crazy insane improvement an it can be a trail or race kit depends what u want but u will love it
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