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Thread: 45 Rebuild

  1. #211
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    Re: 45 Rebuild

    Front and rear wheels on and ready for the engine. The engine needs to be grounded to the frame. The recently painted frame needs grinding back to bare metal on the engine mounts.



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    This does not feel right after having it painted.

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    Re: 45 Rebuild

    The bike had already built and test ridden so putting it back together was pretty straight forward. I am a bit of traditionalist when it comes to 6 volt electrics, 32e generator etc.

    But there is one upgrade that I am a fan of.

    This is the points, I would not go as far as electronic ignition, not saying it's wrong but not for me.


    The standard points are a little flimsy and sit on the centre post of the circuit breaker plate.

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    Standard points
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    The upgraded points are more robust, made by Bosch and from a Volkswagen.

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    Re: 45 Rebuild

    The Bosch Points do not fit straight on, but do need a conversion kit. This can be bought from W&W. But does seem expensive for what it is. I made my own.

    The points just needed the cable extended and wrapped in heat shrink. as the earlier pic.

    W & W kitClick image for larger version. 

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    The only bit that needs to be made is the mounting plate
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    Once the plate is made, drill out the centre post on the timer and fit the plate in the two holes for the old points.

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    Re: 45 Rebuild

    Pic of new points fitted. When you adjust the points you will feel how much more stronger they feel. Its a good cheap conversion.

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    Re: 45 Rebuild

    Gary, W&W is never cheap, but they are fast. When I order there, parts are here next day. OK, I'm in Germany too...

    I'll have the same problem. In most forums and in nearly all magazines it's written, that todays points are simply junk. I assume the plating on the contact surface is too thin for cost saving reasons. I might go for an electronic ingnition, but keeping the manual advance mechanism. But I will speak to my engine builder before I make the final deciscion.

    https://www.wwag.com/cgi-bin/WebObje...&page=%2179652
    You can also get it at JW Boon even cheaper.

    Jens

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    Re: 45 Rebuild

    Jens, I do use W&W as they sell quality parts and you know that they are good reproduction parts.

    It's more the kit price than W&W/s price. Its a simple thing to make.


    The electronic ignition looks a really good upgrade and as with most upgrades greater reliability.

    Good luck with your build.

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    Re: 45 Rebuild

    Carrying on with electric theme.

    I had a very lucky escape with the bike on an a test ride. The electrics are very basic on the 45 and 6 volts and low amps. How ever when you have a short in can get very hot.

    The rear brake light switch is a very basic pull switch that creates the circuit. Its connected to the foot brake with a spring that pulls a plunger.



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    If you look at the switch there are 2 wires and are off sett to the little black lugs that hold the switch together. The white plastic piece that holds the 2 connection points rotated and created a short on the black lugs. I would not have thought this would be a big deal.

    This switch is a reproduction, could not find or afford a NOS one.


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    Re: 45 Rebuild

    Well it turns out that is a very big issue. The bike stated to cough and splutter and came to a stop. I could then smell burning from under the tank. Not good when its full of petrol. Not aware of the issue , I just ripped the live wire from the battery.

    I had to get it home on my mates trailer.

    This is what I found under the dash. Not good and got bloody hot to burn the wires

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    The wires under the tank took the brunt of the short. It burnt the outer loom and the wires. Just lucky it did not set the bike alight.

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    It took a couple of hours of head scratching to find how it went wrong.
    Attached Thumbnails Attached Thumbnails 20180623_154504.jpg  

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    Re: 45 Rebuild

    Could have been much worse. Good luck sorting it out.
    Time out of mind

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    Re: 45 Rebuild

    Thanks Rod, already sorted months ago. Just thought I would post the problem.


    My fix was to insulate the lugs in case it ever rotated again. I used the product below. Its used a lot on boats.



    https://www.oceanchandlery.com/starb...ape-118ml.html


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