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Viewing 8 posts - 1 through 8 (of 8 total)
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  • in reply to: Gearbox Bearings 1930 flyer #7401
    rmu1931
    Participant

    Hi,

    here the sizes
    5/8 x 1 9/16 x 7/16 = LJ 5/8
    1 1/8 x 2 1/2 x 5/8 = LJ 1 1/8

    it can be ordered via http://www.nke.at

    Rgds
    Robert

    in reply to: 1930 Flyer Deluxe – engine tight #6872
    rmu1931
    Participant

    Hi Ted,

    you are doing fine, but the service seems to be down, or very slow.

    Just try it the other day or later tonight, then it might work..

    Rgds
    Robert

    in reply to: 1930 Flyer Deluxe – engine tight #6869
    rmu1931
    Participant

    Hi Jeff,
    no it is not a bellmouth, it’s a air filter! 😉
    It looks similar to DKW Supersports Models but fits perfectely to the carb.
    I can take a close picture and you can tell me if it is Scott or not.

    Rgds
    Robert

    in reply to: 1930 Flyer Deluxe – engine tight #6864
    rmu1931
    Participant

    Hi *,

    after a few days in diesel, we have the first movement in the flywheel, not very much but feelable. javascript:emoticon(‘:lol:’)

    There is also movement of the barrel. I was able to move it about 3mm upwards, equal on both sides of the barrel, so fingers crossed that there is no big seizure in the barrels, but this was quite easy to move now (pushed with the grease pump, in the barrels after slacken the screws a bit and a few hits on barrel and screws with the rubber hammer).

    So first movement is done, the block went back in diesel again, so it can be there for some more days, i need to prepare some other stuff now.

    Is there anybody by chance who can offer the clutch lever? There are both inverted levers with the bike, but the clutch lever is missing. I guess it is a Best and Lloyd one, right?

    Try this link for the pictures of my bike, you need to click on “GMX Mediacenter starten” button, sorry for the german text..
    LINK

    Thanks in advance.

    Rgds
    Robert

    in reply to: 1930 Flyer Deluxe – engine tight #6863
    rmu1931
    Participant

    thanks for your replies!

    i’ll go foreward, cuting the chains and will take out the engine first.

    Afterwards i’ll put the whole engine in diesel for a while, i remember this hint from a friend, but completely forgot about it, thanks Roger!

    There is no movement at all at the flywheel so it is most likely that the main bearings are involved too.
    So first thing to try will be to take off the barrel if there is still no movement in the crank.
    Therefore i’ll do two things, first is a try with medium acid in the barrel that could take away some Alloy corrosion (Coke works quite well at this point, this is equal with concentrated citric acid, pH of roughly 2).
    I’ll figure out an appropriate time with some old pistons i have in my garage. After this it will be time for the liquid nitrogen.

    I’ll let you know about the progress.
    By the way, i subscribed to the club yesterday, so it will be interesting to hear if there is any knowledge about my bike in the works directory.

    w/ Best Regards
    Robert

    P.S.: still need to scan the photographs, stay tuned…

    in reply to: 1930 Flyer Deluxe – engine tight #6862
    rmu1931
    Participant

    thanks for your replies!

    i’ll go foreward, cuting the chains and will take out the engine first.

    Afterwards i’ll put the hole engine in diesel for a while, i remember this hint from a friend, but completely forgot about it, thanks Roger!

    There is no movement at all at the flywheel so it is most likely that the main bearings are involved too.
    So first thing to try will be to take off the barrel if there is still no movement in the crank.
    Therefore i’ll do two things, first is a try with medium acid in the barrel that could take away some Alloy corrosion (Coke works quite well at this point, this is equal with concentrated citric acid, pH of roughly 2).
    I’ll figure out an appropriate time with some old pistons i have in my garage. After this it will be time for the liquid nitrogen.

    I’ll let you know about the progress.
    By the way, i subscribed to the club yesterday, so it will be interesting to hear if there is any knowledge about my bike in the works directory.

    w/ Best Regards
    Robert

    P.S.: still need to scan the photographs, stay tuned…

    in reply to: 1930 Flyer Deluxe – engine tight #6861
    rmu1931
    Participant

    thanks for your replies!

    i’ll go foreward, cuting the chains and will take out the engine first.

    Afterwards i’ll put the hole engine in diesel for a while, i remember this hint from a friend, but completely forgot about it, thanks Roger!

    There is no movement at all at the flywheel so it is most likely that the main bearings are involved too.
    So first thing to try will be to take off the barrel if there is still no movement in the crank.
    Therefore i’ll do two things, first is a try with medium acid in the barrel that could take away some Alloy corrosion (Coke works quite well at this point, this is equal with concentrated citric acid, pH of roughly 2).
    I’ll figure out an appropriate time with some old pistons i have in my garage. After this it will be time for the liquid nitrogen.

    I’ll let you know about the progress.
    By the way, i subscribed to the club yesterday, so it will be interesting to hear if there is any knowledge about my bike in the works directory.

    w/ Best Regards
    Robert

    P.S.: still need to scan the photographs, stay tuned…

    in reply to: 1930 Flyer Deluxe – engine tight #6854
    rmu1931
    Participant

    Thanks for your reply! And you are right, the head is non-detachable.
    I’ll have a try with heat and cold as mentioned and i also have a resource for fluid nitrogen.
    Is it possible to remove the big end rollers at any position of the crank? I did not try it yet. But you are certainly right, it makes good sense to do so. If the rollers are removed, it will also give the answer if the main bearings are stuck too, and which barrel (or both).
    OK, I’ll have aother try by tomorrow and will also try to add some pictures to the thread.
    Rgds
    Robert

Viewing 8 posts - 1 through 8 (of 8 total)