Tubeless On 17's - Kawasaki KLR 650 Forum
2008+ KLR650 Wrenching & Mod Questions For repair, maintaining or modifying discussions related to the newly updated 2008 and beyond, Generation 2 KLR650 Motorcycle.

 
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post #1 of 8 Old 04-28-2015, 03:42 PM Thread Starter
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Tubeless On 17's

I installed front and rear GS500 wheels on my 2013 KLR.




The tires are Avon AM26 Roadriders. The front is a 120/70V17 and the rear is a 140/70-17.

The front disc is semi-floating 310mm.




I settled on a 41 tooth rear sprocket with the KLR 15 tooth oem front (I like the noise reduction). 15/41 works out to be very close to 16/43.




The rear was pretty easy. The diameter of the disc needed to be reduced in size by about 4mm. The disc mounting bolts hit the caliper. To fix that, the holes were countersunk and the bolts were replaced with flat hex head bolts.

For the front, I had to have some oem Suzuki spacers shortened. Both axles were the same diameter as the KLR axles. With a minor modification, the Eagle Mike caliper relocation bracket worked just fine with the 310mm disc. It was intended for a 320mm disc.

It was nice being able to jettison about 10 lbs of tubes, tire irons, bead breaker, etc.

Ron

Opinions are my own. Everything I describe is very likely wrong. Use at your own risk.
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post #2 of 8 Old 04-28-2015, 09:35 PM
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Ranger Ron,
That just looks so 'wrong', tiny little tire up-front!

I could only wish to have enough twisty road around here to exploit that combination!
My problem would be, what about this Rocky Mountain "Rock Pile"? And Red Desert dirt and sand, starring me in the face?

pdwestman
Modify at "YOUR OWN RISK"!

Still riding my 1987 KL650-A1. 85,000+ miles & counting
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post #3 of 8 Old 04-29-2015, 03:13 AM
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That'll recalibrate the speedo real quick.

"Hey, my scooter does 115!!"

Great work and looks great,
Cheeeeeeeeeeeeeeeeeeeeeeeeeeap

This is my son, with whom I am well pleased." ----God
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post #4 of 8 Old 04-29-2015, 09:57 AM Thread Starter
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Quote:
Originally Posted by pdwestman View Post
Ranger Ron,
That just looks so 'wrong', tiny little tire up-front!

I could only wish to have enough twisty road around here to exploit that combination!
My problem would be, what about this Rocky Mountain "Rock Pile"? And Red Desert dirt and sand, starring me in the face?
I made the wheel change primarily to be able to use tubeless tires. The KLR is my road bike. I have a KLX for the more off-road stuff.

Opinions are my own. Everything I describe is very likely wrong. Use at your own risk.
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post #5 of 8 Old 04-29-2015, 10:09 AM Thread Starter
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Quote:
Originally Posted by CheapBassTurd View Post
That'll recalibrate the speedo real quick.

"Hey, my scooter does 115!!"

Great work and looks great,
Cheeeeeeeeeeeeeeeeeeeeeeeeeeap
As it turns out, I wasn't able to use the Suzuki speedo drive. Because of the way the wheel is mounted, the drive rotates the wrong way.

Lack of a speedo wasn't an issue for me because I had already made an instrument module. It has temperature, miles per hour, time, amount of fuel, gear indication, and odometer. The odometer can be toggled to show a trip odometer, main odometer, or distance left to go on remaining fuel.



Ron

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post #6 of 8 Old 04-29-2015, 06:55 PM
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How does it do speed? GPS or another sort of speedo cable thing?

Crash
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post #7 of 8 Old 04-29-2015, 09:40 PM
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Very cool!
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post #8 of 8 Old 04-30-2015, 09:47 AM Thread Starter
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Quote:
Originally Posted by Crashoverride View Post
How does it do speed? GPS or another sort of speedo cable thing?

Crash
It's done with a microcontroller. A pulse is created once every wheel rotation when a magnet on the wheel passes a sensor mounted on the fork. The timing between pulses is then measured by the microcontroller and speed is calculated from that.

Ron

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