Z1R 18" Wheel

seanof30306
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15 Feb 2010 14:18 #348476 by seanof30306

Z1R 18" Wheel was created by seanof30306

So, I sniped an auction for an 18" Z1R wheel on ebay and have been congratulating myself ever since.

I got the wheel today, however, and when I run a tape measure across the wheel, I get 19 1/8".

Is the seller the one chuckling?

"That @#$%!!! KZ650"
79 KZ650 B3
Dual front disc brakes
Z1R 18" front wheel
Pumper carbs w/pods
MAC 4-1 w/ drilled-out baffle
Dyna S ignition w/ Dyna Green coils
WG coil mod
'81 CSR charging system
17/41 gearing

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T_Dub
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15 Feb 2010 14:27 #348477 by T_Dub

Replied by T_Dub on topic Z1R 18

Isn't 18" the diameter of the inside of the tire? So I can see the wheel measuring more.

1977 KZ650B1
-810cc
-Cavanaugh Racing Head
-Mikuni RS34's
-GPR Muffler

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Bad Dad
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15 Feb 2010 14:34 #348478 by Bad Dad

Replied by Bad Dad on topic Z1R 18

I'm with T_Dub on this one... it's the inner part of the rim, not the outter most part. Is it the rear, or the front, ZIR wheel? All the rears were 18", but I think they had both 18"&19" fronts?

Tony

76 KZ900LTD
82 GPz750R1
01 VULCAN 800A-CHOPPED
76 IRONHEAD-CHOPPED
77 RD 400 Cafe

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seanof30306
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15 Feb 2010 14:36 #348479 by seanof30306

Replied by seanof30306 on topic Z1R 18

I guess that makes sense if the operative measurement is the tire, bead-to-bead. The lip on the wheel measures 9/16". Doubling that to account for the other lip comes to 1 1/8". Subtracting that from 19 1/8" comes to 18". I hope that means I'm OK.

Does anyone have a regular 19" mag off the bike with no rotor that they could measure?

Thanks

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seanof30306
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15 Feb 2010 14:37 #348480 by seanof30306

Replied by seanof30306 on topic Z1R 18

Z1R had an 18" front rim for one year, I believe.

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T_Dub
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15 Feb 2010 14:37 #348481 by T_Dub

Replied by T_Dub on topic Z1R 18

It'd help if you had a pic.

1977 KZ650B1
-810cc
-Cavanaugh Racing Head
-Mikuni RS34's
-GPR Muffler

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seanof30306
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15 Feb 2010 14:40 - 15 Feb 2010 14:40 #348482 by seanof30306

Replied by seanof30306 on topic Z1R 18

Sorry, no cam. The rims look identical, though, so I don't see where it'd make a difference.

Last edit: 15 Feb 2010 14:40 by seanof30306.

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T_Dub
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15 Feb 2010 14:53 #348484 by T_Dub

Replied by T_Dub on topic Z1R 18

And its definitely a rear wheel? I've never heard of a 19" rear cast wheel from the 70's.

1977 KZ650B1
-810cc
-Cavanaugh Racing Head
-Mikuni RS34's
-GPR Muffler

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seanof30306
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15 Feb 2010 15:01 #348486 by seanof30306

Replied by seanof30306 on topic Z1R 18

No, it's a front wheel

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otakar
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15 Feb 2010 15:07 - 15 Feb 2010 15:16 #348487 by otakar

Replied by otakar on topic Z1R 18

The size is clearly cast into the rim. This one is 18" and is 2.15 wide. this rim is from a KZ1300. Yes and it measures 19 1/8"

74 Z1-A stock
76 KZ-900 Totaly stock vice MAC pipe
77 KZ-1000A stock
78 Z1-R 100%MINT 500 original Mi.
78 Z1-R Yoshi 1103 kit stage 1 cams Yoshi pipe. Etc
79 KZ-1300 (1400)
80 KZ-1300
81 Scratch built GPz1150R
82 KZ1000

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Last edit: 15 Feb 2010 15:16 by otakar.

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T_Dub
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15 Feb 2010 15:07 #348488 by T_Dub

Replied by T_Dub on topic Z1R 18

Sorry, I didn't understand. Hopefully someone else reads this, I'd measure my 19" front but its 100 miles away.

1977 KZ650B1
-810cc
-Cavanaugh Racing Head
-Mikuni RS34's
-GPR Muffler

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Mcdroid
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Gone Kwackers

15 Feb 2010 15:09 - 15 Feb 2010 15:13 #348489 by Mcdroid

Replied by Mcdroid on topic Z1R 18

yes...I have several 19" front wheels I could measure...one off a 1982 KZ750R1 should measure the same as the D model. Otokar is correct...the size should be cast into the wheel...mine is cast as a 19" and measures 20" across the rim - edge to edge.

Michael
Victoria, Texas

1982 GPz750
1977 KZ1000A
1978 KZ1000A
1982 GPz1100
1975 Z2A

Last edit: 15 Feb 2010 15:13 by Mcdroid.

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Z1R 18" Wheel

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