R&D: 17" Rear Wheel Swap (RF600/Bandit 600)

Maintenance, repair, troubleshooting, etc.
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radare
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Sat Nov 08, 2014 6:11 pm

I finally received the package from Ron Ayers that included my new 97mm long bearing spacer. It took just over a month to get it and they said they had to bring it in from Japan. Regardless, I can now get the wheel bearings pressed in, the wheel painted and the back end assembled and finalized. Yeah!

Kawasaki P/N 92143-1119. This is the 17x25x97 spacer that will be used as a bearing spacer to allow the use of the 17mm axle:

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Kawasaki P/N 92152-0844. This is the 17x28[38]x15 spacer that will be faced down and used between the wheel and the brake caliper bracket:

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The fit with the bearings/spacer/axle is spot on. Good! Let's do this . . . tomorrow.

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radare
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Thu Nov 13, 2014 6:08 pm

My sprocket spacers came today from BBS. They look good. I won't be able to verify that they actually fit until I get to Boulder tomorrow evening, but the do LOOK good. And Casper: I'll have on in the mail to you shortly, bud.

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Casper
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Thu Nov 13, 2014 11:02 pm

Awesome, they look good. Do they have much of a camber due to the water jetting?
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radare
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Thu Nov 13, 2014 11:19 pm

Casper wrote:Awesome, they look good. Do they have much of a camber due to the water jetting?
A small bit. But the bolts fit through beautifully. I think they will work out well.
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radare
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Tue Nov 25, 2014 10:21 pm

I want to elaborate on the need to shim the sprocket with the 17" rear wheel:

With the stock wheel, the sprocket sits 19mm from the swingarm. To ensure chain alignment, the RF600 sprocket should be in this same location once the wheel's installed.

Here are some photos of the stock rear sprocket and spacer vs the RF600 rear sprocket and the 19mm spacer. First, the two sprockets side by side: The RF600 sprocket is on the left; the XJ600 sprocket is on the right. Note that there's about a 3mm difference; the XJ600 sprocket sits 3mm further out than the RF600 one does.

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Here's the sprocket shim I had made; this one is 0.125" or (3.18mm) thick (I have two of these left; if you need one, PM me and I'll send it to you, free of charge):

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Here's the second side by side, this time with the shim installed. The RF600 sprocket is on the left; the XJ600 on the right. With the shim installed, the chain-line should be appropriate:

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radare
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Tue Nov 25, 2014 11:10 pm

Here's what is required to install the 17" wheel. I'll add commentary and explanations soon; for now, enjoy the photos.

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radare
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Tue Nov 25, 2014 11:15 pm

I finished the 17" rear-wheel conversion this afternoon. Spent much of the day, yesterday, cleaning and painting parts. I decided to pull the swingarm and give its bearings a good lube while I was at it.

To complete the conversion, I cleaned up the wheel and gave it a coat of paint. I then pressed in a pair of 17x47x14 bearings and the 17x25x97 bearing spacer. Looking at the parts, I could have saved the money and just used the RF600's original axle spacer. It mated up with the new bearings fine.

I fit a 19mm spacer on the sprocket side and a 14mm spacer between the wheel and brake caliper bracket. I cut down the RF600 caliper bracket to 34mm thick and used GS500 rear brakes.

The 3mm sprocket spacer I had made, fit perfectly and aligns the chain, straight as an arrow. I do need to order some shorter sprocket nuts as the locking-mechanism on the stock ones don't engage the bolt anymore. 2mm shorter would work well.

The chain had to be shortened to 108 links. This puts the rear-wheel near the front of the swingarm adjustment, allowing for plenty of stretch and wear.

For the brake stay (torque arm), I ended up using the GS500 arm. I cut off the swingarm mount from the arm and welded on the stock Seca II mount. This allows the GS500 arm to bolt to the Seca II swingarm. Alternatively, I could have used the RF600 arm with the 10mm spacer.

Things look good. If the weather warms up above 50F again, I'm going to take it out for a spin and see how it feels.

With all that, here's some photos of the bike after the modifications:

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radare
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Thu Nov 27, 2014 11:04 pm

I rode my red XJ600 back to K's tonight (it was quite cold) and thought I'd share a side-by-side comparing the 17" wheel to stock. The black bike has a 150/60-R17 rear tire while the red bike has the stock 130/70-R18.

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MichaelX
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Fri Nov 28, 2014 2:10 am

You have very beautiful bikes radare, very good work, keep it up :thumbsup: . How come you don't get one of those fancy exhausts for the black bike?
1997 XJ600N Diversion
-(rusted inside)Marving Master 4 in 2 exhaust system
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radare
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Fri Nov 28, 2014 11:04 am

MichaelX wrote:You have very beautiful bikes radare, very good work, keep it up :thumbsup: . How come you don't get one of those fancy exhausts for the black bike?
I've gone round-and-round with the idea but I really like a quiet stock-exhaust. After many hours in the saddle, the drone of a rumbling muffler wears me out. So for now, I'm keeping the exhaust stock.

I do have a set of stainless headers that will likely go on the red bike, though . . .
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