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Beta 300 4t valve clearance


steve ness
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To get at the valves you are best to tilt the engine forward.

To do this you need to take out the lower front mounting bolt and remove the two side struts.  They say you can move the rad. to the side out of the way but I found it easier to disconnect it.

You need to loosen the carb clip so that it disconnects from the airbox as the engine tilts

I have a 2013 and twice "thought" I should check the clearances.  However both times they were fine.

I would say, given the difficulty of getting to and measuring the gaps, unless it sounds noisy or is not running well you could get away without checking.

I have spoken to other Beta 4T riders and their experiences of checking the valves is similar to mine.

Do you have issues that lead you to suspect a valve issue?

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Just finished doing the valves on my 2016 300. After 200 hours I was getting a little bit more noise than i thought it should have. Took about 3-4 hours, but i'm slow and methodical. One exhaust was tight, one a touch loose, one intake was perfect, the other a little loose. Quieted the bike down nicely, starts good to. Only glitch was when riding it around in the driveway the fan didn't come on, when i pulled the engine down i had unhooked the fan connection, nudged it back in and all is good. Thank you Billy Traynor for the good advice.

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