Need help with tires for CRF50 - Honda Motorcycles - FireBlades.org
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post #1 of 6 Old 03-13-2018, 7:58 PM Thread Starter
 
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Need help with tires for CRF50

I need to get my son’s bike ready for road racing, which for his stock class basically means change the tires. The stock wheels are currently mounted with knobby tires, which are prohibited. I’m lost and need some guidance.

Can I use the stock wheels? When I looked at Dunlop 10” tires they were intended for tubeless use and the spoked wheels currently use tubes. Can I use the stock wheels as a means of cost control? Are there any adverse reactions from using the stock wheels? I haven’t yet verified with the rule book which wheels are mandated but I do recall that OEM bearings must be used, so that leads me to believe I have to retain the stock wheels...UNLESS Honda has another OE wheel available for the bike. Whew!

I found this for another brand that at least sheds light (maybe) on tire size, though I saw another reference in my online search for 12” tires.

Quote:
SuperMoto Mini Race Tire by Shinko SR560

High quality 10" tires for the Honda XR /CRF50 / Yamaha TTR50 and Suzuki DRZ70.

Great for riding the SuperMoto track, Kart track or your driveway race track. Works well on cement or pavement.

Front and rear tire is 80/90x10 which is like a (2.75) size.

We recommend 2 of the 80/90 (2.75) tires for stock swingarms. However the 90x90x10 (3.00) rear tire should fit in most.
The above quote opens the door to questions on using dissimilar widths, not sure the impact on rideabiliity using dissimilar widths (another issue).

In summary my questions are

1- What range of tire sizes can I spoon onto the bike
2- What wheel options are there
3- Pros Cons of tube vs tubeless
4- Pros Cons of using dissimilar width tires

Hopefully someone can help me with this while I take another look at the rule book.

Thanks.

Update:
Rules state:
Quote:
After market aluminum wheels are allowed but must retain stock 10" wheel size and OEM style hubs.
This removes the question about using 12" wheels. Also says that we may change the wheels, but not that we must. I came across a set that were nearly $500. We're not at that level and it's his first season. I'm trying to do this for just a little over transportation and motorcycle operating costs.

-My 06 Fireblade Build Thread
-Her 02 CBR600F4i Custom Suspension
-My 07 CRF230F sold
-My 97 XR100
-07 CRF50F son's
-92 CB750 She lets me ride it, Jetted
-13 CRF110F, 01XR50 Daughter's

Because 12,000 RPM makes me feel better

Last edited by Jaybird180; 03-13-2018 at 10:51 PM. Reason: Updated Information
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post #2 of 6 Old 03-18-2018, 3:45 PM Thread Starter
 
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Re: Need help with tires for CRF50

My buddy has the appropriate 10” tires for the fiddy. As luck would have, my daughter also wants to play on her 110. He might have the wheels for that, stock they are asymmetric 12” on rear and 14” in front. He says to not waste time with the stock wheels and has an aftermarket to lend, but has to locate the other.

We shall see how this goes...

-My 06 Fireblade Build Thread
-Her 02 CBR600F4i Custom Suspension
-My 07 CRF230F sold
-My 97 XR100
-07 CRF50F son's
-92 CB750 She lets me ride it, Jetted
-13 CRF110F, 01XR50 Daughter's

Because 12,000 RPM makes me feel better
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post #3 of 6 Old 03-19-2018, 10:03 AM
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Re: Need help with tires for CRF50

as the referee for LRRS/CCS I deal with a lot of question like this. the best answer I can give is to refer to the rule book for your club and if you have questions or do not feel clear on the rule contact the chief tech. inspector for the series. they will have final say if the bike is legal for the series. you do not want to spend a bunch of money just to find out that it is not legal for the class.

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post #4 of 6 Old 03-19-2018, 10:43 AM Thread Starter
 
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Re: Need help with tires for CRF50

I think the rules are clear, the challenge is with finding parts that are known to work and where to buy.

-My 06 Fireblade Build Thread
-Her 02 CBR600F4i Custom Suspension
-My 07 CRF230F sold
-My 97 XR100
-07 CRF50F son's
-92 CB750 She lets me ride it, Jetted
-13 CRF110F, 01XR50 Daughter's

Because 12,000 RPM makes me feel better
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post #5 of 6 Old 03-19-2018, 11:16 AM
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Re: Need help with tires for CRF50

take a look at this set not sure if it is right but worth a look


WHEELS/TIRES


http://www.fast50s.com/i-19470081-su...yle-1-329.html
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Last edited by rikk; 03-19-2018 at 11:21 AM.
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post #6 of 6 Old 03-19-2018, 12:16 PM Thread Starter
 
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Re: Need help with tires for CRF50

Yeah, I found that. I filled out a support request for the 110 and they’re supposed to call me back.

-My 06 Fireblade Build Thread
-Her 02 CBR600F4i Custom Suspension
-My 07 CRF230F sold
-My 97 XR100
-07 CRF50F son's
-92 CB750 She lets me ride it, Jetted
-13 CRF110F, 01XR50 Daughter's

Because 12,000 RPM makes me feel better
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