Search found 27 matches
- Thu Jun 16, 2011 2:28 pm
- Forum: Four stroke
- Topic: ENGINE
- Replies: 1
- Views: 1632
Re: ENGINE
Sounds like you have a pre '56 barrel and head. The engine number is '57 but this has enclosed pushrods not external tubes and an alloy not iron head, so you have the correct crankcases. Not sure however, how if at all, the crankcases or internals varied between the dates as I have only owned '56 an...
- Mon May 30, 2011 9:03 am
- Forum: Four stroke
- Topic: Gear ratios
- Replies: 2
- Views: 1694
Re: Gear ratios
Thanks Pete that's reassuring. I seem to have te correct main shaft as I have the enclosed chain case and everything fits!
- Sun May 29, 2011 12:18 pm
- Forum: Four stroke
- Topic: Gear ratios
- Replies: 2
- Views: 1694
Gear ratios
I have a 1956 NH with a 57 GB44 gearbox which I believe is the gearbox fitted to the FH, does anyone know if the gear ratios are different FH to NH and if so any ideas how they differ?
- Tue Apr 12, 2011 4:10 pm
- Forum: Four stroke
- Topic: Wheel Bearings
- Replies: 3
- Views: 2406
Re: Wheel Bearings
Brilliant! Thanks Pete just what I wanted.
- Mon Apr 11, 2011 12:31 pm
- Forum: Four stroke
- Topic: Wheel Bearings
- Replies: 3
- Views: 2406
Wheel Bearings
Before I remove the rumbling front wheel bearings from my 1956 NH (full width hub) does anyone know the equivalent SKF or similar sealed bearing reference for a replacement? I have a number of bearings acquired in recent years and even the actual dimensions would enable me to identify/obtain the bea...
- Mon Mar 14, 2011 12:17 pm
- Forum: Four stroke
- Topic: Oil leak from primary chain
- Replies: 4
- Views: 4599
Re: Oil leak from primary chain
Thanks for your prompt reply John. Just can't understand why I didn't have this problem with my other NH, just lucky I guess.
- Mon Mar 14, 2011 11:48 am
- Forum: Four stroke
- Topic: Oil leak from primary chain
- Replies: 4
- Views: 4599
Oil leak from primary chain
I have recently acquired a 1956 NH and on going through the routine of a thorough service and check to get everything as it should be I topped up the primary chain oil to the level hole. Now when running the engine oil streams from the drive exit of the chain case and also runs into the enclosed dri...