Question about Yamaha 2004 Blaster Base

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I just bought a 1998 yamaha blaster atv. How much and what kind of oil goes in the gearbox? (the guy i got it from said use plain old 10w-30 oil) Does it use heavy weight gear oil? Transmission fluid? Engine oil? And how much does it hold? One other question.... Is there a breather on the gear box that could leak if it's overfilled?

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Use heavy duty SAE 80W-90 gear oil

Engine oil does work but the oil will not last as long nor will it protect the bearing's/gear's as well as gear oil. Thick dif oil can work to.
Also the gear box is should be sealed.

Posted on Oct 23, 2017


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Posted on Jan 02, 2017


gavin jones

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SOURCE: I have a 07 Yamaha r1 with 5,000miles. I was

There are many good synthetic oils for bikes, generally the more it costs the better it is.
10w30 seems ok but will depend on your location and tempurature,
Your manual has a page on oil and recommended weights

Posted on Mar 20, 2011


  • 3567 Answers

SOURCE: can I use regular

You can use synthetics if you like to gamble, but I advise against it. Synthetic oils often cause the cork on the clutch friction plates to either shrink or swell. If they shrink, the clutch will fail to grab and the bike just sits there. If the cork swells, the clutch will grab and want to pull the bike forward even with the clutch lever all the way in. Just use good old 10w40 motor oil without additives. Please rate my answer. Thanks!

Posted on Mar 27, 2011


Gino Cussen

  • 216 Answers

SOURCE: oil leaking from clutch push lever

Sounds like a worn seal. If you remove the cover and knock out the seal any atv dealer should be able to replace it.

Posted on Mar 19, 2009


  • 5 Answers

SOURCE: i have a 96 yamaha blaster 200cc atv. Its not

I have a 96 blaster just had the top end done 80 over new piston and rings. Ran good for 2 hr and stopped running. I have good conpression but no spark. Put in new plug still no spark.Is it the coil or the magneto?Where is the magneto and how do I replace it?

Posted on Aug 30, 2009

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