What Cylinder is This?

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grump99
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What Cylinder is This?

Post by grump99 »

After reading Scheckaet's post I was curious about my cylinder size. I took a peak and am a little confused. At first I thought it was a lowercase "d", but now I am thinking it might be a poorly stamped capital "B".

Here are links to a couple pictures (sorry I can't figure out how to insert pictures).

Image
Image
Is this a "B" or a "d"? Thanks!
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Indawoods
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Post by Indawoods »

That's a B..
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Post by grump99 »

Thanks, I thought so. :mrgreen:
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canyncarvr
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Post by canyncarvr »

The same mark will be (should be) on the head.

Well, it may not be EXACTLY the same. It might actually look like a 'B'.

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Post by grump99 »

>|<>QBB<
canyncarvr wrote: Well, it may not be EXACTLY the same. It might actually look like a 'B'.
Haha, yeah. I thought I was being clever by buying a piston ahead of time, so I would have it handy for a future top end job. However I outsmarted myself by ordering a "D" piston :roll: .

If anyone is interested in buying said piston and rings before I list on ebay, please speak up :mrgreen: .
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canyncarvr
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Post by canyncarvr »

Check it. It's likely just fine.

What's .001" anyway.........

If it's over .003" (and I'll bet'cha a Kanuck dollar), it's good.

BTW...ordered it through where? Just checking...but if it came from a dealer, Kaw doesn't give you the choice of alpha-marks. IS the piston indeed a 'D'?

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Post by grump99 »

Pro-flow.com was the only place I could find a "D". Had a hard time finding one, most places only had A,B and C. That should have told me something :blink: .
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Post by canyncarvr »

What was it that got 'D' on your mind to start with?

Again...don't worry 'bout it. Unless you have a fancy-shmancy bore guage, I doubt your basic feeler approach will show you less than .005"..and that's plenty!

The thing will fit a tad tighter than the 'spec'd 'B'..and will be the best top-end you ever had!!!

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Post by IdahoCharley »

>|<>QBB<
canyncarvr wrote: The thing will fit a tad tighter than the 'spec'd 'B'..and will be the best top-end you ever had!!!
I agree!! When it comes to clearance between pistons and cylinders being on the tighter side of acceptable clearances is good for the bike's long run performance - provided you take the time to warm-up your bike each and every time.
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Post by grump99 »

Thanks for the input guys! I've only got about 850 miles on this top end so it will be a while. I will post info on clearance etc. down the road. I always warm up the bike so it should be fine. :mrgreen:
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Post by fuzzy »

Agreed. CC, isn't it more like .0005, or even .00005? It's been talked about it on here to great extent in the past, but I'm lazy.
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