Author Topic: Left Over Dust Seal  (Read 740 times)

Offline philward

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Left Over Dust Seal
« on: November 28, 2020, 09:08:58 PM »
I've just built all the wheels (bearings, seals, sprocket, etc), having bought all the parts in readiness some time ago and having replaced all the seals in both wheels, I have a new seal left over that I can't place on the CMSL schematics. The part number is 91257300003P (if I've got the right bag!)
I've replaced the large sprocket cover dust seal and have checked on the CMSL schematics and its a different part number for that seal - a search on DS says its a 'dust seal'
Where does it go!
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Offline Nurse Julie

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Re: Left Over Dust Seal
« Reply #1 on: November 28, 2020, 09:32:45 PM »
If that is the correct p/N Phil, according to CMS whatever it is shows as fitting a 350 four and 400 four 🤔🤔🤔🤔 and 173 other Honda's 😁😁😁
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Offline philward

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Re: Left Over Dust Seal
« Reply #2 on: November 28, 2020, 09:36:25 PM »
If that is the correct p/N Phil, according to CMS whatever it is shows as fitting a 350 four and 400 four 🤔🤔🤔🤔 and 173 other Honda's 😁😁😁
Maybe DS sent an extra and I didn't notice Julie
Current Bikes:-
Honda CB750K2 (1975)
Honda CB500K2 (12/1972)
Honda CR750 Replica (1972)
Honda CB350K0 (1969)
Kawasaki ZZR1100D3 (1995)
Kawasaki ZZR250 (1990) Project (Going on eBay ASAP)

Offline Bryanj

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Re: Left Over Dust Seal
« Reply #3 on: November 28, 2020, 10:25:10 PM »
Is it black rubber? If so could it be the seal from the screw in bearing retainer on front wheel,
I cant get that number to come up anywhere

Offline philward

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Re: Left Over Dust Seal
« Reply #4 on: November 28, 2020, 11:13:03 PM »
Got that one Bryan - its more the size of the sprocket cover seal
Current Bikes:-
Honda CB750K2 (1975)
Honda CB500K2 (12/1972)
Honda CR750 Replica (1972)
Honda CB350K0 (1969)
Kawasaki ZZR1100D3 (1995)
Kawasaki ZZR250 (1990) Project (Going on eBay ASAP)

Offline Seabeowner

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Re: Left Over Dust Seal
« Reply #5 on: November 29, 2020, 10:15:36 AM »
Is it black rubber? If so could it be the seal from the screw in bearing retainer on front wheel,
I cant get that number to come up anywhere
That's 91252-300-003, 22 x 36 x 8. I couldn't track the 91257, what are the dims?
Phil
1971  CB500K0  Candy Jade Green or Candy Gold
1973  CB500K1  Candy Ruby Red
1975  CB550F1   Shiny Orange
1978  CB550K     Excel Black

Offline Bryanj

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Re: Left Over Dust Seal
« Reply #6 on: November 29, 2020, 12:17:29 PM »
I have some very old 750,550 and 500 parts books and that number does not show in any of them

Offline philward

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Re: Left Over Dust Seal
« Reply #7 on: November 29, 2020, 10:12:34 PM »
Is it black rubber? If so could it be the seal from the screw in bearing retainer on front wheel,
I cant get that number to come up anywhere
That's 91252-300-003, 22 x 36 x 8. I couldn't track the 91257, what are the dims?

Its 57 OD x 33 ID x 7mm thick
Current Bikes:-
Honda CB750K2 (1975)
Honda CB500K2 (12/1972)
Honda CR750 Replica (1972)
Honda CB350K0 (1969)
Kawasaki ZZR1100D3 (1995)
Kawasaki ZZR250 (1990) Project (Going on eBay ASAP)

Offline Bryanj

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Re: Left Over Dust Seal
« Reply #8 on: November 30, 2020, 02:40:28 PM »
Sound like the sprocket seal at those sizes but not checked.

EDIT

Just checked on cms and those are the sizes for the sprocket seal part number 91205283010
« Last Edit: November 30, 2020, 02:45:52 PM by Bryanj »

Offline philward

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Re: Left Over Dust Seal
« Reply #9 on: November 30, 2020, 06:12:51 PM »
I've already fitted that one Bryan - its a mystery! Maybe I ordered 2 (on 2 separate orders) - main thing is I haven't missed a seal on assembling the wheels
Thanks for all your imput
Current Bikes:-
Honda CB750K2 (1975)
Honda CB500K2 (12/1972)
Honda CR750 Replica (1972)
Honda CB350K0 (1969)
Kawasaki ZZR1100D3 (1995)
Kawasaki ZZR250 (1990) Project (Going on eBay ASAP)

Offline philward

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Re: Left Over Dust Seal
« Reply #10 on: November 30, 2020, 10:22:57 PM »
For pease of mind, took sprocket cover off (damaging the zinc plating on the newly zinced sprocket nut tab washers!) - doubting myself putting the seal in! New seal is in and heres the picture showing the difference. It must have been an extra seal sent in error.
Current Bikes:-
Honda CB750K2 (1975)
Honda CB500K2 (12/1972)
Honda CR750 Replica (1972)
Honda CB350K0 (1969)
Kawasaki ZZR1100D3 (1995)
Kawasaki ZZR250 (1990) Project (Going on eBay ASAP)

 

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