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bearing 78-80 cr250 shift drum

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b-joe

Post subject: bearing 78-80 cr250 shift drum

Posted: Sun Jul 06, 2008 5:16 am

Joined: Fri Jul 14, 2006 8:12 am
Posts: 323
Location: Wuppertal/Germany

hi,
has anybody ever changed the shiftdrum bearing?
how should i do this?

_________________
80 CR250Ra
80 CR250Ra
78 CR250R
80 CR80
82 Bultaco Sherpa 340
78 Bultaco Pursang 250 MK12
76 Bultaco Frontera 370 MK10
76 Bultaco Alpina 250
73 Bultaco Lobito 125 MK6
76 Suzuki RM125A
90 Kawasaki KX250

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dogger315

Post subject: Re: bearing 78-80 cr250 shift drum

Posted: Sun Jul 06, 2008 10:14 am

Joined: Sat Dec 23, 2006 10:00 pm
Posts: 313
Location: CA

Looking at the shift drum from my '79, I don't see where the bearing is servicable. The Honda parts schematic
doesn't show a separate bearing available so I'm guessing when the bearing fails, you replace the whole drum.

The drum is still available from CMS if you are willing to part with 74 euros.

dogger

_________________
1973 CR250M
1979 CR250R
1993 CR250R
2008 CR500R
2009 CR250R

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b-joe

Post subject: Re: bearing 78-80 cr250 shift drum

Posted: Sun Jul 06, 2008 3:53 pm

Joined: Fri Jul 14, 2006 8:12 am
Posts: 323
Location: Wuppertal/Germany

don´t like to replace the whole drum when just the bearing is bad.

i have three drums to service

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