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KHR Flywheels

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Beachdog

Posts: 765

Joined: Mon Oct 16, 2000 12:01 am

Location: CA USA

Post Tue Jan 20, 2009 4:20 pm

KHR Flywheels

Just took apart a WR bottom end that had the rods locked up and was sitting for years. No top end at all. Inside I found a set of flywheels marked #23932-54. It has WR rods, WR crankpin and WR shafts. The stroke is 4 9/16". I suspect that these are KHR flywheels, tho I have no personal experience with that rare beast. Can anyone confirm this, or give me more info. Thanks.
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suicideshovel65

Posts: 217

Joined: Thu Feb 10, 2005 1:01 am

Location: Palo Alto, CA

Post Tue Jan 20, 2009 6:20 pm

Re: KHR Flywheels

I think these are maybe just KH/KHK flywheels with the -54 number, although from memory I can't comment on what may or may not have needed to be done to fit the WR parts.

This is what the KHR flywheels look like:

Image
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yarddog

Posts: 20

Joined: Sun Feb 17, 2008 3:08 pm

Post Tue Jan 20, 2009 10:41 pm

Re: KHR Flywheels

I agree with Simon ... Just checked a set of KH wheels under my bench. Casting # 23932-54

Jack
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thefrenchowl

User avatar

Posts: 584

Joined: Fri Mar 10, 2006 3:18 pm

Location: Crewe, Great Britain

Post Wed Jan 21, 2009 7:34 am

Re: KHR Flywheels

Hi,

I have been told in the past, but never investigated it, that the R type tapers are not at the same angle than the street tapers, both on shafts and crankpin.

Patrick
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Beachdog

Posts: 765

Joined: Mon Oct 16, 2000 12:01 am

Location: CA USA

Post Wed Jan 21, 2009 8:25 am

Re: KHR Flywheels

Thanks everyone for the info. I haven't touched a KH bottom end in years. I had it in my head that the shaft tapers were larger than the 45 tapers, that's what had me questioning what exactly these things were.
Now that I'm the proud owner of these beauties I think I'll use them as the heart of something cool.
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hotrods1

Posts: 228

Joined: Sat Jan 15, 2000 1:01 am

Location: Burlington Iowa USA

Post Wed Jan 21, 2009 9:43 am

Re: KHR Flywheels

WR crankpin tapers are smaller then the KH taper. So do you have WR rods and pin or K rods and pin in the assemby Beachdog??
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Beachdog

Posts: 765

Joined: Mon Oct 16, 2000 12:01 am

Location: CA USA

Post Wed Jan 21, 2009 2:51 pm

Re: KHR Flywheels

These flywheels have WR crankpin with matching tapers and were running standard WR rods. The sprocket and pinion shafts are standard WR parts with the correct tapers also. All the expected standard WR spacers and bearings are where they should be in the cases and on the crank.
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Beachdog

Posts: 765

Joined: Mon Oct 16, 2000 12:01 am

Location: CA USA

Post Wed Jan 21, 2009 4:11 pm

Re: KHR Flywheels

You guys got me thinking, so I pulled out the HD Competition Parts books. Don't know about the odd part # on these but they appear to be one year only 1954 KHRTT which used the small crank pin [1 1/4"] , the 1955-up KHRTT used the larger crank pin [1 1/2"]. At least that's the only thing I can find that has all the same taper sizes and the 4 9/16" stroke. Thanks for all the input.

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