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
Starting Vincent Life with a Backfire!
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="chankly bore" data-source="post: 48332" data-attributes="member: 317"><p>You should be able to get a local member to have a squint at the carburettor, failing that, turn off both fuel taps and disconnect the bottom float feed and then the float chamber itself. Check the float for leaks by immersing in to warm water.Cut a small groove across the bottom of the float needle such as will fit a small screwdriver. Use this to lap in the needle and seat using Brasso or toothpaste.New parts are available through the Club spares and other places.Minor adjustment of the float level can be made by twisting the carburettor on the inlet stub. You can observe the float level by taking off the chamber top, but the locknut is a perilous design which doesn't stand overtightening.The Rider's Handbook has a good diagram showing where the float level should be.At very last resort you can buy a brand new Type 289 or VM28 Mikuni. The risk of fire is a consideration, so please fix this problem for your own peace of mind.Fuel level should be below the pilot orifice and never issue from it even with the machine on the propstand.</p></blockquote><p></p>
[QUOTE="chankly bore, post: 48332, member: 317"] You should be able to get a local member to have a squint at the carburettor, failing that, turn off both fuel taps and disconnect the bottom float feed and then the float chamber itself. Check the float for leaks by immersing in to warm water.Cut a small groove across the bottom of the float needle such as will fit a small screwdriver. Use this to lap in the needle and seat using Brasso or toothpaste.New parts are available through the Club spares and other places.Minor adjustment of the float level can be made by twisting the carburettor on the inlet stub. You can observe the float level by taking off the chamber top, but the locknut is a perilous design which doesn't stand overtightening.The Rider's Handbook has a good diagram showing where the float level should be.At very last resort you can buy a brand new Type 289 or VM28 Mikuni. The risk of fire is a consideration, so please fix this problem for your own peace of mind.Fuel level should be below the pilot orifice and never issue from it even with the machine on the propstand. [/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
Starting Vincent Life with a Backfire!
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