honda305 Home honda305 Auctions honda305 Gallery honda305 Forum


honda305.com Forum

Login
□ Search
□ FAQ 
□ 
Vintage Honda Owners,
Restorers, Riders and
Admirers

Oil leak from front acorn nuts

Post Reply
User avatar
garncarz
honda305.com Member
Posts: 210
Joined: Thu Oct 31, 2013 7:44 am
Location: York, PA

Oil leak from front acorn nuts

Post by garncarz » Tue May 26, 2015 7:06 am

My 66 CA77 recently started profusely leaking oil from the front acorn nuts. I have them torques to 22lbft and am afraid for snapping the studs if I go further. What is the correct washer (copper/steel) configuration? Thanks.

mike in idaho
honda305.com Member
Posts: 411
Joined: Sun Jan 29, 2012 9:18 pm
Location: orofino, idaho

Post by mike in idaho » Tue May 26, 2015 7:43 am

Check to see if the nuts are bottoming out on the studs.
'65 YG1
'65 CB160
'66 CL160
'66 CL77
'78 XS650
'79 GL1000
'69 T100R
'68 TR6
'69 T120
'72 750 Commando
my company car is a Kenworth

User avatar
G-Man
honda305.com Member
Posts: 5678
Joined: Wed Mar 25, 2009 5:17 pm
Location: Derby, UK
Contact:

Post by G-Man » Tue May 26, 2015 7:44 am

The Acorn nuts use copper sealing washers. Either the washers have compressed too much or the bolts have stretched.....

New washers and/or new studs may be required.

G
'60 C77 '60 C72 '62 C72 Dream '63 CL72
'61 CB72 '64 CB77 '65 CB160
'66 Matchless 350 '67 CL77
'67 S90 '77 CB400F

User avatar
garncarz
honda305.com Member
Posts: 210
Joined: Thu Oct 31, 2013 7:44 am
Location: York, PA

Post by garncarz » Tue May 26, 2015 8:23 am

anyone have the honda part number for the copper washers? Thanks again.

R100
honda305.com Member
Posts: 332
Joined: Sun Jul 01, 2012 3:02 pm

Post by R100 » Tue May 26, 2015 10:22 am


User avatar
garncarz
honda305.com Member
Posts: 210
Joined: Thu Oct 31, 2013 7:44 am
Location: York, PA

Post by garncarz » Tue May 26, 2015 10:33 am

Is there a better option? Bonded EPDM sealing washer?

Post Reply




 

CB-77 | CYP-77 | Road Test | Riding Log | Literature | Zen | Marketplace | VJ Survey | Links | Home