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Thread: FFR Refurb

  1. #131
    Join Date
    Jan 1970
    Location
    Narre Warren South
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    6,795
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    All the years I've been working on the FFR it's always started easily, except for an issue with the coil & HT leads years ago.

    Went to start it at the weekend and it took several goes !
    Once running it seemed OK.

    I've never touched the carby so I'm thinking I might remove it & ultrasonically clean. I picked up a gasket set & diaphragm at Corowa.


    Colin
    '56 Series 1 with homemade welder
    '65 Series IIa Dormobile
    '70 SIIa GS
    '76 SIII 88" (Isuzu C240)
    '81 SIII FFR
    '95 Defender Tanami
    Motorcycles :-
    Vincent Rapide, Panther M100, Norton BIG4, Electra & Navigator, Matchless G80C, Suzuki SV650

  2. #132
    Join Date
    Jan 1970
    Location
    Narre Warren South
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    The FFR is booked into the Anzac Day parade at Cranbourne. My wife & daughters are walking in the parade with the Scouts.

    The Dandenong RSL (Cranbourne shut after Covid) have a Perentie that will be there. Apparently a Police car in front of the vehicles taking part and another behind.....just in case someone tries to drive into the crowd !

    I checked sparkplugs today, a couple were carboned up. I have a feeling they were in the FFR when I got it. I'll fit some replacements at some point in the future.
    Then I took the top off the carby, the piston had a heavy black deposit on it.
    The diaphragm was OK but the oil in the dashpot was low (topped up before Corowa) so I cleaned the piston, re-assembled & topped up the damper.

    It started a lot easier when I went to put it back in the shed.

    I remember buying a carby overhaul kit soon after I got the FFR so I went on a hunt. Eventually found it along with a new diaphragm.
    I have a few spare carbies so I thought I'd overhaul one of them, then I found that the kit I'd purchased years ago was the wrong one !!! The one I purchased at Corowa was only for the float bowl.

    Now I need to find a full kit for a Stromberg 175CD.


    Colin
    Last edited by gromit; 19th April 2025 at 09:39 AM.
    '56 Series 1 with homemade welder
    '65 Series IIa Dormobile
    '70 SIIa GS
    '76 SIII 88" (Isuzu C240)
    '81 SIII FFR
    '95 Defender Tanami
    Motorcycles :-
    Vincent Rapide, Panther M100, Norton BIG4, Electra & Navigator, Matchless G80C, Suzuki SV650

  3. #133
    Join Date
    Jan 1970
    Location
    Narre Warren South
    Posts
    6,795
    Total Downloaded
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    A great turnout at the Cranbourne Anzac Day Parade and the weather held out.
    We were at the front of the parade behind a Police car and a Perentie.

    The Sikh Volunteers Australia were there providing free vegetable curry after the ceremony


    Colin
    '56 Series 1 with homemade welder
    '65 Series IIa Dormobile
    '70 SIIa GS
    '76 SIII 88" (Isuzu C240)
    '81 SIII FFR
    '95 Defender Tanami
    Motorcycles :-
    Vincent Rapide, Panther M100, Norton BIG4, Electra & Navigator, Matchless G80C, Suzuki SV650

  4. #134
    Join Date
    Apr 2025
    Location
    Donnybrook Melbourne
    Posts
    19
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    Awesome stuff - great to hear it getting out there again :-)

    All the best for many more events and many more years of good running :-)

    Shane

  5. #135
    Join Date
    Jan 1970
    Location
    Narre Warren South
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    Thought I'd check the points & timing at the weekend.
    It struggled to start then I only had to touch the accelerator and it coughed & died.

    Eventually got it going, it seemed to a bit happier once warmed up.

    Points OK, timing a bit out. I'd originally set it using some very thin plastic between the points and getting someone to turn the motor on the crank handle until the plastic was released.
    Used a timing light this time and found it was a few degrees out.

    The carby has a very small leak somewhere so I've ordered a gasket set.
    I should probably also check the flow from the fuel pump although it ran OK when driven so there must be enough flow.

    I thought this one was finished and I could move back onto the IIa GS !


    Colin
    '56 Series 1 with homemade welder
    '65 Series IIa Dormobile
    '70 SIIa GS
    '76 SIII 88" (Isuzu C240)
    '81 SIII FFR
    '95 Defender Tanami
    Motorcycles :-
    Vincent Rapide, Panther M100, Norton BIG4, Electra & Navigator, Matchless G80C, Suzuki SV650

  6. #136
    Join Date
    Jan 1970
    Location
    Narre Warren South
    Posts
    6,795
    Total Downloaded
    0
    Isn't it funny how you search the internet for something and it links you back to AULRO !

    I was sure the dashpot oil level was dropping and here's a link from a post 10 years ago that explains a potential cause.
    Zenith Stromberg Carburetter Repair Guide

    I need to take the carby apart anyway but I now know to check that O-ring.


    Colin
    '56 Series 1 with homemade welder
    '65 Series IIa Dormobile
    '70 SIIa GS
    '76 SIII 88" (Isuzu C240)
    '81 SIII FFR
    '95 Defender Tanami
    Motorcycles :-
    Vincent Rapide, Panther M100, Norton BIG4, Electra & Navigator, Matchless G80C, Suzuki SV650

  7. #137
    Join Date
    Jan 1970
    Location
    Narre Warren South
    Posts
    6,795
    Total Downloaded
    0
    I removed the carby this morning, covered in fuel stains & dirt. A gasket set had arrived during the week.

    Gave it a good scrub in turps before taking it apart. I'd removed & refitted it when I worked on the engine years ago but hadn't taken it apart.

    I found why it was covered in fuel, the gasket under the choke mechanism was missing. Inside it's a metal to metal 'seal' but a gasket should be fitted.
    The mechanism was partly seized so I took it apart cleaned it and put it back together.

    The body & float bowl went into the ultrasonic cleaner for 15 minutes, then dried with compressed air and sprayed with WD40. A mate in the UK has had problems with bike carbys corroding when ultrasonically cleaned so I spray & wipe with WD 40.

    The needle was removed and a new O-ring fitted so hopefully the dashpot oil stays in the dashpot !

    Reassembled, dashpot filled and carby refitted.
    Several gaskets in the set not used, the kit must cover numerous variants of the Stromberg 175CD

    The FFR started first time and, fingers crossed, another problem is solved.



    Colin
    '56 Series 1 with homemade welder
    '65 Series IIa Dormobile
    '70 SIIa GS
    '76 SIII 88" (Isuzu C240)
    '81 SIII FFR
    '95 Defender Tanami
    Motorcycles :-
    Vincent Rapide, Panther M100, Norton BIG4, Electra & Navigator, Matchless G80C, Suzuki SV650

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