valve clearance problems part 2 aka another idiot question

Forum rules
Please can you post items for sale or wanted in the correct For Sale section. Items / bikes for sale here will be removed without warning. Reasons for this are in the FAQ. Thanks
Post Reply
oldgreyandslow
Site Supporter
Site Supporter
Posts: 421
Joined: Fri Jun 10, 2011 2:59 pm
Bike owned: 1990 NC30
Location: Farnborough

valve clearance problems part 2 aka another idiot question

Post by oldgreyandslow » Tue Jun 21, 2011 7:06 pm

I'm trying to do this without removing the carbs because if I take them out they'll be sitting around for a while which may make the rubbers too hard to get back in next week, when I will be able to get working on the bike again.

Just managed to get the cam cover off the front cylinders, but measuring the gaps is bloody difficult and I guess changing shims will be even worse.

Any tips?

Please don't say "take the carbs off"

Ta

domski1
Settled in member
Posts: 58
Joined: Thu Mar 31, 2011 7:31 pm
Bike owned: Rvf nc35

Re: valve clearance problems part 2 aka another idiot questi

Post by domski1 » Tue Jun 21, 2011 7:31 pm

Changing the shims is not too bad , the rockers just slide across and you can fish them out with a telescopic magnet. I really would take off the carbs, it's not a big deal, I had mine off for over 2 weeks, I just sprayed some silicone in the rubbers and they slipped straight on no problems.

User avatar
skinnydog0_0
NWAA Supporter
NWAA Supporter
Posts: 1212
Joined: Tue Apr 20, 2010 9:07 pm
Bike owned: Penny Farthing
Location: Pembrokeshire West Wales

Re: valve clearance problems part 2 aka another idiot questi

Post by skinnydog0_0 » Tue Jun 21, 2011 7:35 pm

honestly, get the carbs off, you will spend so much time fecking about with the carbs in the way it will take you till xmas to do it. i use a little smear of rubber grease to get the carbs back on or 2 stroke oil if you have some laying about.
An NC is for life, not just for Christmas!

User avatar
jetblack
Site Supporter
Site Supporter
Posts: 516
Joined: Sat Apr 24, 2010 5:21 pm
Bike owned: '89 NC30 SEED
Location: Nottingham

Re: valve clearance problems part 2 aka another idiot questi

Post by jetblack » Tue Jun 21, 2011 8:01 pm

mine were off for 3 weeks, a quick smear of rubber grease on the carb rubbers and a hefty push and on they popped.

slowsport
Settled in member
Posts: 100
Joined: Thu Sep 23, 2010 12:44 am
Bike owned: NC35
Location: London

Re: valve clearance problems part 2 aka another idiot questi

Post by slowsport » Tue Jun 21, 2011 8:59 pm

yeah dont worry too much about the carb rubber boots, you can always put a bit of grease or washing up liquid to aid the carbs to slip back on, or worst case is to warm them up quickly with a heat gun or throw them in a bucket of boiling water from the kettle to help the rubber expand.

oldgreyandslow
Site Supporter
Site Supporter
Posts: 421
Joined: Fri Jun 10, 2011 2:59 pm
Bike owned: 1990 NC30
Location: Farnborough

Re: valve clearance problems part 2 aka another idiot questi

Post by oldgreyandslow » Tue Jun 21, 2011 9:07 pm

fair enough folks, off they come first thing in the morning then, thanks

User avatar
CMSMJ1
Moderators
Moderators
Posts: 7152
Joined: Thu May 01, 2008 9:42 am
Bike owned: NC30-No9
Location: Chesterfield, United Kingdom

Re: valve clearance problems part 2 aka another idiot questi

Post by CMSMJ1 » Wed Jun 22, 2011 7:49 am

Miles easier with carbs off, small hands and some beer afterwards
IMPERATOR REX ANGLORUM

The V4 is the law..

NC30 - No9 - my old mate

Post Reply