The Spares Company
Club Shop/Regalia
Parent Website
Contact Officials
Machine Registrar
Club Secretary
Membership Secretaries
MPH Editor and Forum Administrator.
Section Newsletters
Technical Databases
Photos
Home
What's new
Latest activity
Forums
New posts
What's new
New posts
Latest activity
Information
Bike Modifications
Machine Data Services
Manufacturers Manuals
Spare Parts Listings
Technical Diagrams
Whitakerpedia (Vincent Wiki)
The Club
MPH Material Archive
Flogger's Corner
Obituaries
VOC Sections
Local Sections
Local Section Newsletters
Miscellaneous
Club Assets
Club History
Club Rules
Machine Data Services
Meeting Documents
Miscellaneous
Essential Reading
Magazine/Newspaper Articles/Letters
Adverts and Sales Brochures
The Mighty Garage Videos
Bikes For Sale (Spares Company)
Log in
Register
What's new
New posts
Menu
Log in
Register
Install the app
Install
Home
Forums
Forums: Public Access
Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Loose Exhaust Push rod and Exhaust valve lifter
JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding.
You are using an out of date browser. It may not display this or other websites correctly.
You should upgrade or use an
alternative browser
.
Reply to thread
Message
<blockquote data-quote="timetraveller" data-source="post: 46995" data-attributes="member: 456"><p><span style="color: #222222"><span style="font-family: 'Verdana'">I think that I can see why the steady plate was replaced. The clever chap has put holes in the correct places to look at the timing marks on the various gear wheels. On a Comet the plate should be steel. Is it? That, of course presupposes that the marks are still in the correct places to line up with various other things like the cam lobes. After all this time they do not necessarily do that. If the exhaust pushrod looks straight and does not have severely warn end, as illustrated by davidd then there might not be any other problem than the valve lifter. Get your chum to have a look and see in what way it has been modified. If the chap was clever enough to make a decent steady plate then perhaps he was clever enough to see a way in which the valve lifter could be improved and it might just be bad luck that it has failed. However, if the change was a bodge to save money then consider what else might have had the same treatment. Can you stand on the kick starter? If not then that suggests that valves are not seating properly and maybe the piston rings are in trouble. You can adjust the tappets to zero clearance without having the valve lifter working and check all sorts of other things without resorting to dismantling further. If that is required then be confident that a Vincent is relatively easy to work on if you have worked on other bikes of a similar vintage. Good luck.</span></span></p></blockquote><p></p>
[QUOTE="timetraveller, post: 46995, member: 456"] [COLOR=#222222][FONT=Verdana]I think that I can see why the steady plate was replaced. The clever chap has put holes in the correct places to look at the timing marks on the various gear wheels. On a Comet the plate should be steel. Is it? That, of course presupposes that the marks are still in the correct places to line up with various other things like the cam lobes. After all this time they do not necessarily do that. If the exhaust pushrod looks straight and does not have severely warn end, as illustrated by davidd then there might not be any other problem than the valve lifter. Get your chum to have a look and see in what way it has been modified. If the chap was clever enough to make a decent steady plate then perhaps he was clever enough to see a way in which the valve lifter could be improved and it might just be bad luck that it has failed. However, if the change was a bodge to save money then consider what else might have had the same treatment. Can you stand on the kick starter? If not then that suggests that valves are not seating properly and maybe the piston rings are in trouble. You can adjust the tappets to zero clearance without having the valve lifter working and check all sorts of other things without resorting to dismantling further. If that is required then be confident that a Vincent is relatively easy to work on if you have worked on other bikes of a similar vintage. Good luck.[/FONT][/COLOR] [/QUOTE]
Insert quotes…
Verification
What was Mr Irving's Christian Name?
Post reply
Home
Forums
Forums: Public Access
Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Loose Exhaust Push rod and Exhaust valve lifter
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.
Accept
Learn more…
Top