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
Decompression devices
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="Hugo Myatt" data-source="post: 17843" data-attributes="member: 99"><p>For years I had Royal Enfield de-compressors on my twin worked by a single handlebar lever. The disadvantages were two cables, a very small valvehead and stem and therefore rather fragile. They were short reach in a long reach plug hole so effecting compression ratio and carboning up the redundant lower threads in the head. The mechanism was worked by the outer cable with the inner cable anchored. They were ugly not very effective and using them to stop the motor resulted in a black oily mess on the cylinder heads. I removed them and had the heads welded up and reverted to the standard set up. However, I may still have them in the discard box if you are interested.</p><p>Ref. valve lifter leaks on the twin. When Tony Maughan rebuilt my engine thirty years ago he modified the external part of the valve lifter so that the sleeve no longer fitted in a recess in the timing case but fitted over an external stainless boss screwed into the timing case. I have no idea how this device works as I have never needed to investigate it because it has never leaked. Perhaps Maughan and Sons still supply this item.</p></blockquote><p></p>
[QUOTE="Hugo Myatt, post: 17843, member: 99"] For years I had Royal Enfield de-compressors on my twin worked by a single handlebar lever. The disadvantages were two cables, a very small valvehead and stem and therefore rather fragile. They were short reach in a long reach plug hole so effecting compression ratio and carboning up the redundant lower threads in the head. The mechanism was worked by the outer cable with the inner cable anchored. They were ugly not very effective and using them to stop the motor resulted in a black oily mess on the cylinder heads. I removed them and had the heads welded up and reverted to the standard set up. However, I may still have them in the discard box if you are interested. Ref. valve lifter leaks on the twin. When Tony Maughan rebuilt my engine thirty years ago he modified the external part of the valve lifter so that the sleeve no longer fitted in a recess in the timing case but fitted over an external stainless boss screwed into the timing case. I have no idea how this device works as I have never needed to investigate it because it has never leaked. Perhaps Maughan and Sons still supply this item. [/QUOTE]
Insert quotes…
Verification
The Series 'A' Rapide was known as the '********' Nightmare?
Post reply
Home
Forums
Forums: Public Access
Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Decompression devices
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