CR480 crankcase

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3/7/2019 9:28 AM

How can i tell the differense in 82 vs 83 right side crankcase?

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3/7/2019 10:40 AM
Edited Date/Time: 3/7/2019 10:44 AM

Here is a picture of a 82 nos right side case. The 82 480 cases are red and the 83 is black. Either someone painted the 82 cases black or the factory made a mid year color change, I have seen many 82's with black cases.
Maybe someone else can chime in...does the casting numbers indicate the year?

https://www.ebay.com/itm/NOS-Honda-OEM-PE02E-RH-Right-Red-Crankcase-1982-CR480-CR480R-111A0-KA5-770/122475230264?hash=item1c8417b438:g:aJgAAOSwHptY~P5s

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3/7/2019 12:00 PM

81 450 is red, 82 and 83 black

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3/7/2019 12:48 PM

So the 82 crankcase listed above on ebay might be a 81 CR450?

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3/7/2019 3:05 PM

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3/9/2019 5:14 AM

Brett Campbell wrote:

So the 82 crankcase listed above on ebay might be a 81 CR450?

Unless someone painted it red, it is an 81 450 case. I just went through this on an 82 480 that I'm rebuilding. On the plus side, it seems like there are more right cases available than left, because I couldn't locate a good left case.

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3/14/2019 3:49 PM

Does anyone know if the 83 case is the same as the 82? I put a hole in the case of my 83 and can't seem to find a case other than the 82

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3/14/2019 11:04 PM

There are different part numbers on 82 vs 83 both side, maybe a little wider for the 5-speed gearbox?
I have read a thread about interchange cases on 480 earlier, but i cant find it..

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3/15/2019 9:57 PM

I’ve worked on both plenty of times, 82 and 83. The only difference I can think of is the 83 has one extra bolt on the left side/clutch cover. No difference in right.

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3/15/2019 10:01 PM

1983 CR 480 Photo

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3/15/2019 10:02 PM

1982 CR 480 Photo

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3/16/2019 1:40 AM

VintageRacer wrote:

I’ve worked on both plenty of times, 82 and 83. The only difference I can think of is the 83 has one extra bolt on the left side/clutch cover. No difference in right.

I know about the extra bolt in left front, but the right side?
Guess i have to measure, was hoping there was an easy way to tell the year.. and if i can use 83 gearbox in 82 cases, or 83 left and 82 right?

Do you know if there is any differense in cylinders?

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3/16/2019 2:16 AM

I’m almost positive it’ll all interchange. Look at the tag under the countershaft on the right case to get the year. Plug and play.

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3/16/2019 2:38 PM
Edited Date/Time: 3/16/2019 2:39 PM

82/83 Right hand case are interchangeable. The Left hand cases aren't. They are wider for the 5spd gear set.
Stevie

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3/16/2019 3:49 PM

Thanks!

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