Sand protection

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8/3/2017 4:25 PM

So my two main practice tracks here in Michigan are both a sandy mess. I know how bad the stuff can be for our bikes so I'm wondering if there's anything you guys do to help protect from the added wear and tear?

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8/3/2017 5:41 PM

I change my air filter after every ride, and re-grease the linkage/ bearings every 5-10 hours. Biggest thing in my opinion is keeping sand out of the engine, which starts with a clean air filter and air box.

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8/3/2017 6:43 PM

Twin Air makes an extra dust cover for your filter as well as radiators.
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Like LumpDog said, keep your airbag clean and don't let sand in the engine. If your riding hard maybe change your oil more often?

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8/3/2017 7:23 PM

Life is funny, all you have is sand tracks & here in Ny I would kill for a sand track! Sand is really not that bad as long as it's not soupy wet. As others mentioned, keep your air filter clean, pre filters work good & when you replace your filter make sure no sand gets down in the air boot. If it's a 2 stroke usually want to jet a little richer for sand riding due to the higher rev"s. Chain & sprockets may wear faster due to the sand but tires last longer. If track is really whooped out suspension fluids will require more frequent service. I"ve always ridden my bikes on sand tracks with no real excellerated wear as long as you keep it out of the engine! I would rather ride sand tracks vs clay/ mud tracks any day

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8/4/2017 3:29 AM
Edited Date/Time: 8/4/2017 3:29 AM

Start with a steel rear sprocket, it will save you a fortune! And use a dry chain lube, nothing sticky or gooey.

Very good advice already posted above. I'll add frame guards and maybe even a sump guard to the list. I seem to scrub my plastics way more in the sand, probably due to moving and standing on the bike more and maybe gripping it harder? So I chuck old plastics on for sand practice.

The engine gets stressed more in sand, so keep on top of the oil and filters, keep those rads clean and clear. Using an air line after pressure washing is also worth doing, you'd be amazed how much sand comes out of the bike from a good air blast even after a thorough wash. Especially in the rads.

Also keep a close eye on your brake pads, particularly the rears. As sand can wear them down faster, even more so when its wet.

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@russ_69

8/4/2017 3:44 AM

Awesome I'm glad to hear I've been doing most everything right. I've been changing the air filter every ride but I definitely need to pick up some pre filters because the filter is toast by the end of a Sunday practice. I've also been changing the oil every ride and the filter every other. I'd always rather be safe than sorry but for $10.50 a quart, I'd like to think that this Mobil 1 4t can hold up a little longer than an hour?

And don't get me wrong, I love Michigans sand tracks! Im taking up motocross a little more seriously at the ripe age of 26 and I know how good of a training enviroment it is. Just a little gritty wink

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8/4/2017 3:50 AM

What bike do you ride?

I run the oil for 2/3 hours (depending on track and type of riding) in my 2 strokes and 5 hours in the 450.

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@russ_69

8/4/2017 4:41 AM

I like to grease the inside of the airbox as this catches quite a lot of sand before it reaches the air filter.

www.karlzracing.com

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8/4/2017 6:37 AM

RussB wrote:

What bike do you ride?

I run the oil for 2/3 hours (depending on track and type of riding) in my 2 strokes and 5 hours in the 450.

2016 YZ450. The small oil capacity worries me which is why I've been changing it so often.

Karl I like the idea of greasing the air box, I'm thinking the air tract on the YZ's would benefit.

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8/4/2017 9:53 AM

With Twin Air products keep in mind that you need to put first their "dust cover" DRY on top your oiled filter and then the Grand Prix cover (that thin orange nylon thing). If you put it straight on the oiled filter it gets clogged immediately. When you have the dry mid layer sand does not stick to it at all and even after full day the actual filter looks like you have been riding one set. It is a bit of hassle to put all those three layers but it works really well.

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8/4/2017 5:35 PM

CarlinoJoeVideo wrote:

Twin Air makes an extra dust cover for your filter as well as radiators.
Photo
Photo

Like LumpDog said, keep your airbag clean and don't let sand in the engine. If your riding hard maybe change your oil more often?

Hey Joe have u ever had any issues with these covers? Ktm has changed 5 temp sensors this week at lorretas because of the twin air rad covers don't let enough air through and the rad's are probably too small and the bikes overheat and toast temp sensor

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8/4/2017 5:48 PM
Edited Date/Time: 8/4/2017 5:48 PM

I wouldn't grease the airbox. The more sand in the airbox, more opportunity it has to get in your engine. Especially if you take the filter off before you wash your bike like I believe you should if you use a wash cover.

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