Search found 7 matches
- Thu Jun 07, 2012 1:47 am
- Forum: Motors - 247cc | 305cc | 337cc | 350cc
- Topic: camshaft timing
- Replies: 4
- Views: 4010
camshaft
Dear Mike, Thanks for the info. here are two holes in the sproket but from what I can gather there is also a O mark which indicates the one to use. Have you any tips about removing the right hand camshft? I have now noticed that the outer lobe is quite badly worn and maybe should be replaced. I have...
- Sat Jun 02, 2012 5:21 am
- Forum: Motors - 247cc | 305cc | 337cc | 350cc
- Topic: camshaft timing
- Replies: 4
- Views: 4010
camshaft timing
I have reluctantly had to strip down my 1967 cb72 to try and find the cause of severe backfiring. This is severe enough to have caused the silencers to burst! Any ideas? I am reassembling the head with a new camchain. However, I am not too sure how to align the crankshaft/camshaft. In my cb160 there...
- Fri Feb 25, 2011 4:06 am
- Forum: Carburation - Fuel
- Topic: CB72 L pot not firing
- Replies: 6
- Views: 4953
Dear Dean, Thanks for the reply; yours is the only reply so maybe its not such a big issue. I am still experiencing the same problem but by fiddling with the spark leads I can get it to work. I was wondering whether the answer was in a poor spark. By resting the spark cap on the plug there would be ...
- Thu Feb 04, 2010 4:24 pm
- Forum: Carburation - Fuel
- Topic: CB72 L pot not firing
- Replies: 6
- Views: 4953
CB72 L pot not firing
The forum helped me last year when I was rebuilding my 1966 CB72. Now I am having trouble with the L cylinder pot not firing. I am hoping someone may be able to help. The basic facts are 1 Sometimes (not always) when starting the L pot reuses to fire. After a few minutes there are a few backfires an...
- Sat Apr 19, 2008 6:04 am
- Forum: Electrical - Wiring
- Topic: CB72 charging
- Replies: 8
- Views: 7876
Dear Steve Thank you for taking the time to reply, Since I posted the request I have gained a lot of useful information. The neutral switch was definitely new to me. It does go out when I change gear. The light is so dim at times I can hardly tell if it is on or off. It has been imposible to start u...
- Fri Apr 18, 2008 3:30 pm
- Forum: Electrical - Wiring
- Topic: CB72 charging
- Replies: 8
- Views: 7876
CB72 charging
Thank you for taking the time to reply and I shall look up the article.joeweir1 wrote:Go into the FAQ's section and read Ed Moores tune-up recipe for type '1' ignition.This should answer your timing Q's.
- Wed Apr 16, 2008 5:00 pm
- Forum: Electrical - Wiring
- Topic: CB72 charging
- Replies: 8
- Views: 7876
CB72 charging
At last I have found a site that may be able to help me before I go completely mad. I am relieved to see that there are many other CB72 owners facing similar problems. I have a 1967 CB72 which is basically in good condition, however, I am having problems charging the battery. I have been unable to g...