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Viewing 15 posts - 1 through 15 (of 37 total)
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  • in reply to: Bky273 #34721
    Otley Scotter
    Participant

    <p style=”text-align: left;”>Hi Jonathan</p>
    If the Registration No. begins with RH or VE, please advise further.

    Best Wishes,

    Peter Crowder

     

     

     

     

    in reply to: Spitting Back Again #32395
    Otley Scotter
    Participant

    Hi Will

    Enjoying your thread.

    Both my 2-speeders were former carburettor spitters…

    Neither have an inlet splitter or gauzes fitted, one is running on a 1” Amal 276 with a 190 main jet and a 3 1/2 slide and the air screw out 1 turn, the other is on a 1 1/16 Amal 276 with a No. 3 slide, the air screw 1/2 turn out and a 210 main jet…

    In my case I found several conditions to increase the likelihood of spitting back through the carb:

    1) Retarded ignition

    2) Air screw too far out (too lean)

    3) Cutaway too lean or slide / carb body worn

    4) Air leaks

    5) Running out of fuel

    I would be tempted to try a richer cutaway on the slide, turn the air screw in a touch, double-check for any air leaks with soap suds on a running engine and check the timing…

    Exhaust spitting I have no experience of, so forgive me if this is all superfluous.

    A study on port sizes appears in technicalities as I recall either Potty or Tim Sharp measured a multitude of barrels and shared their findings

    Good luck.

    Best,

    Peter Crowder

     

    in reply to: More Videos Added #31982
    Otley Scotter
    Participant

    Great videos!

    Highly recommended viewing…

    Many thanks for putting these here Lewis.

    Peter

    in reply to: Work in Progress #31857
    Otley Scotter
    Participant

    Well done Lewis!

    Reviving a 300 single is a mark of true dedication…

    Keep us posted!

    Peter

    in reply to: 2-Speeder Half-Compression Lever #31744
    Otley Scotter
    Participant

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    in reply to: 2-Speeder Half-Compression Lever #31742
    Otley Scotter
    Participant

    Best Wishes & Good Scotting this Christmas…

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    in reply to: Search for Scott motorcycles owned by my dad and Uncle #31591
    Otley Scotter
    Participant

    Super story and images.

    Fantastic.

     

    in reply to: Rear suspension #31396
    Otley Scotter
    Participant

    Sounds interesting Peter.

    Could you share some photos of your machine?

    in reply to: Scott Trial Re-Run 1928 Course #31340
    Otley Scotter
    Participant

    Excellent!

    See you there Geoff.

    I have a cunning plan to get up the hill this year…

    Peter

     

     

    in reply to: Two Scotts in the auction next Saturday #31253
    Otley Scotter
    Participant

    Hi Martin.

    The 1923 machine looks nicely unmolested…

    Do you know which of its major components match to the Scott despatch records?

    Best Wishes,

    in reply to: Fuel leak #31208
    Otley Scotter
    Participant

    Hi Mark,

    I ran my 1930 2-speeder on a 1” carburettor last season and it went very well on that.

    For 1930 Scott were using amals on the 2-speeders I believe – Type 6/012 is my hunch…

    I am unsure what was fitted to the 2-speeders in 1928.

    The 1 1/16” bore amal carb that I have just fitted to my machine is adding just that tiny bit more urge. I gently opened-up the jet block and venturi for maximum effect.

    You might try lapping in your float needle before splashing out on a new one. Dripping for a while after tickling is perfectly normal, dripping when running is not.

    The jet block should not be loose either.

    I fit new needle jets and slides for best results as these wear readily; particularly on neat fuel.

    If your carburettur body is not much worn, you will be onto a winner.

    Best Wishes

    in reply to: Fuel leak #31204
    Otley Scotter
    Participant

    Hello Mark.

    Your Amal was original fitment to a Series B Vincent rapide. (1946-49)

    By strange coincidence I sought-out and have just fitted a very similar amal 276 (DQ/1DV) 1 1/16” series C Vincent carburettor to my Super Squirrel and am very happy with the result.

    I have fitted a 210 main jet, a .106 needle jet, have the needle clip sitef in the middle groove and ha ve a No 3 cutaway (with a 3 1/2 slide still to try)

    Leaks you will easily remedy.

    Spares are all available.

    I would personally persevere with what you have.

    Good luck,

    Peter

     

    in reply to: Pilgrim Pump #31116
    Otley Scotter
    Participant

    Hi Ted,

    There is an article by Ged Rumble in the August 1998 edition of Yowl.

    Following some sterling work by Lewis Onions, the article can be viewed in the archive in the members section of this web site.

    Happy tinkering

    Peter

    • This reply was modified 2 years, 7 months ago by Otley Scotter.
    in reply to: Scott 2-speeder 1930 – Toolbox dimensions? #30988
    Otley Scotter
    Participant

    Perfect!

    Thanks Glyn.

    Best Wishes,

    Peter Crowder

    in reply to: Scott 2-speeder 1930 – Toolbox dimensions? #30985
    Otley Scotter
    Participant

    Hi Paul,

    Much appreciate your rapid reply.

    However it is the later, rectangular toolbox I’m wishing to dimension…

    Best Wishes

    • This reply was modified 2 years, 8 months ago by Otley Scotter.
Viewing 15 posts - 1 through 15 (of 37 total)