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CA77 Crankshaft Ball Bearing.. Which One?

GeorgeP1111
honda305.com Member
Posts: 114
Joined: Wed Jun 16, 2010 3:58 pm
Location: St.Paul, MN

Re: CA77 Crankshaft Ball Bearing.. Which One?

Post by GeorgeP1111 » Wed Feb 02, 2011 4:49 pm

LOUD MOUSE wrote:????????????????
The bearing comes off the shaft.
Nothing more. ......lm
Ok, I got it off. It was on there real tight. I put a rod thru all 4 weight holes against the outer race and tapped it with the hammer then moved to the other set of holes and tapped the race there, back and forth a bunch of times and slowly it moved off.

Thanks
George

GeorgeP1111
honda305.com Member
Posts: 114
Joined: Wed Jun 16, 2010 3:58 pm
Location: St.Paul, MN

Re: CA77 Crankshaft Ball Bearing.. Which One?

Post by GeorgeP1111 » Thu Feb 17, 2011 6:15 pm

LOUD MOUSE wrote:The early one! Has the deep hole for the locater dowel. (cheaper) Or ya can change the dowel. .............lm
Just a heads up.....

I did buy the cheaper one (91001-259-010) NACHI 6306S7HS, and it is smaller in OD (74.97mm) and has a -shallower- hole (1.92mm) for the locater dowel. This was a NOS Honda bearing from Honda.

The one I had in my motor is a NACHI 6306S6HS, measures 76.95mm in OD, and has a hole depth of 2.76mm hole. I'm assuming the one I should have ordered is the 91001-259-020 ?

Anyhow, just wanted to put the word out that there is also a difference in the OD between these two bearings. Too much to fill with HondaBond?? :-)

George

GeorgeP1111
honda305.com Member
Posts: 114
Joined: Wed Jun 16, 2010 3:58 pm
Location: St.Paul, MN

Post by GeorgeP1111 » Sat Feb 19, 2011 10:41 am

Before I reorder the bearing, is there anyone out there that can confirm that these bearing numbers go with these Honda part numbers?

NACHI 6306S7HS = 91001-259-010
NACHI 6306S6HS = 91001-259-020

tnx
George

LOUD MOUSE
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Posts: 7817
Joined: Mon Aug 15, 2005 8:23 am
Location: KERRVILLE, TEXAS

Post by LOUD MOUSE » Tue Feb 22, 2011 8:57 am

I have learned the 010 is for early DREAM engines and 020 for most others after the early DREAM engines. ..............lm

GeorgeP1111 wrote:Before I reorder the bearing, is there anyone out there that can confirm that these bearing numbers go with these Honda part numbers?

NACHI 6306S7HS = 91001-259-010
NACHI 6306S6HS = 91001-259-020

tnx
George

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