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Project CT/XL trials bike

Discussion in 'Other Projects - Other Bikes (non 250's)' started by Murdo, Feb 25, 2018.

  1. Murdo

    Murdo The Good Doctor Staff Member Premium Member Ride and Events Crew Contributing Member

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    Have been waiting on some electrical components so started on the chainguard.
    Bought a sheet of 3mm red plastic from Bunnings and with help of a heat gun and metal folder I made a chain guard.
    zzz 001.jpg
    A couple of bolts, big washers and small metal bracket and this should keep the dirt from the tyre off the chain.
    zzz 002.jpg
    Have now to make a chain tensioner with a skateboard wheel and a spring.
     
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  2. Mike Fulcher

    Mike Fulcher Active Member Premium Member Contributing Member

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    Great job Murdo, as always, just a word of warning to any Kiwi builders here, just found out that here in NZ it is now illegal to use after market LED tail & brake lights on our Motorsickles only found out when I went to put my Yam SRX 250 through for a WOF.
     
  3. my67xr

    my67xr Bike Enthusiast Staff Member Premium Member Contributing Member

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    You'll probably find you just need to use E Marked led indicator's and tail light's.
    There are quite a few on ebay, zoom in on their pic's to check for the marking's
     
  4. Mike Fulcher

    Mike Fulcher Active Member Premium Member Contributing Member

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    Unfortunately out here in NZ, unless LED's were fitted as per factory specs, NO LED lights of any description are legal to use in motorcycle rear tail lamp & brake lights. Darn new stupid law, politicians never seem to have enough to do.
     
  5. Andych

    Andych Well-Known Member Premium Member

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    This can be your next little Project @Murdo a Honda Trials bike with sidecar :)
    New Project.jpg
     
  6. Murdo

    Murdo The Good Doctor Staff Member Premium Member Ride and Events Crew Contributing Member

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    Andy, it will have enough trouble lugging my fat a*se around without a box on the side.

    Got to and made the chain tensioner today. I turned up two nylon bushes from some 25mm bar to fit holes in the frame and 10mm holes, a piece of 16mm steel bored for a 10mm bolt welded to some 25x3mm flat bar, skate board wheel and spring from an armchair.
    zzz 003.jpg
    I was given a handful of these springs in about 1975/76 from a chair repair place to use for chain tensioners on my dirt bikes. Don't know what they were from but they work well. This is my last one.
    zzz 001.jpg
    With the end straightened and a bit more curve put on it to hook under the frame, the short end under the arm, they make great tensioner springs. Drilled and fitted wheel to other end with nyloc nuts.
    zzz 004.jpg
    Fitted to frame ready to ride.
    zzz 005.jpg
    I was given a headlight bucket from a Suzuki TF100 ag bike, but with no glass. After some measuring I found that Honda CBR250r light fitted neatly into the holder, just had to put a 25mm hole in the back of the bucket to allow the bulb wire connectors to fit and mounted the switch on right side bracket. Looks neat.
    zzz 006.jpg
     
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  7. Andych

    Andych Well-Known Member Premium Member

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    Love your work. Amazing how bits from different bikes can be adapted and then look pretty much like they belong on there


    Sent from my iPhone using Tapatalk Pro
     
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  8. Mike Fulcher

    Mike Fulcher Active Member Premium Member Contributing Member

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    Yes, love your ingenuity, you must use your imagination when producing one offs, take a look at some of the Cafe racer builders sites & you will see what I mean, however every man to his own tastes.
     
  9. Murdo

    Murdo The Good Doctor Staff Member Premium Member Ride and Events Crew Contributing Member

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    My 'kill switch' arrived today and I fitted and wired it. A syringe of fuel into the carb and it fired on the second kick. The lights all work too.
    Sometimes I amaze myself, other days I put my keys in the fridge. :lolsign:
     
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  10. ruckusman

    ruckusman Well-Known Member Premium Member Dirty Wheel Club

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    Better that than the TV remote in the vegetable crisper
     
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  11. my67xr

    my67xr Bike Enthusiast Staff Member Premium Member Contributing Member

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    What did you end up doing with the led's and rectifier ?
     
  12. Murdo

    Murdo The Good Doctor Staff Member Premium Member Ride and Events Crew Contributing Member

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    Bought the one you posted from Jaycar used with a 13 volt zenner diode. Seems to work ok.
     
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  13. Murdo

    Murdo The Good Doctor Staff Member Premium Member Ride and Events Crew Contributing Member

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    The (very) second hand left sidecover that I was missing arrived yesterday and got a chance this afternoon to work on it. Made a cardboard template of what was missing.
    zzz 005.jpg
    The bottom mounting was broken away so found a piece of my BBQ'd ST1100 ( see https://2fiftycc.com/index.php?threads/disaster-sadness-tears.2577/) that was about the right shape and with some help from a heat gun had it fitting nicely.
    zzz 006.jpg
    This I plastic welded onto the sidecover.
    zzz 008.jpg
    Cleaned up with the Dremel, bead blasted and undercoated ready for some colour.
    zzz 007.jpg
    Will turn up an alloy 'knob' with a button head screw through the cover to hold it on.
     
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  14. Murdo

    Murdo The Good Doctor Staff Member Premium Member Ride and Events Crew Contributing Member

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    Did a swap for some 6mm nylon/plastic sheet to make a sump guard. Bit of heating, bending and welding (because I cut it wrong) with countersunk screws and it's a beauty.
    xxx 007.jpg xxx 009.jpg
     
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  15. Murdo

    Murdo The Good Doctor Staff Member Premium Member Ride and Events Crew Contributing Member

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    Finally got the tank painted and sealed.
    Uranga weekend June 18 006.jpg Uranga weekend June 18 007.jpg Uranga weekend June 18 008.jpg
    Working on making a seat now.
     
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  16. Murdo

    Murdo The Good Doctor Staff Member Premium Member Ride and Events Crew Contributing Member

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    My Bike:
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    Today I finished the assembly work.
    I made a seat base from some 2mm alloy checkerplate (because I had some) with folded and welded edges. This was covered with some old seat foam and some EVA foam from the local rubber shop. I took to the upolsterer who has done bits for me for years and I don't what his problem was but we had words and I felt a very un-valued customer as I left. Not to worry as I will never darken his doorway again. :mad:
    I went home and had a think and remembered I had a seat cover leftover from my Yamaha YDS-5 resto. I had tried to give it away for a long time but nobody wanted it, so it hung in the shed. I cut off about 1/3 of it and glued on. Not a great job but will do. Fitted the new seat, filled with petrol and kicked. And kicked and kicked. Not a sign of life from the engine. Spark plug out and it's wet, so getting fuel. Tried kicking with plug on head and no spark. Close examination of the wiring showed no faults until I got to the kill switch. Turned it on and bike ran second kick. :headbang:
    Minor adjustments to the timing, carb and clutch and off for a lap of the block. Goes great, picks up front wheel easily, gets all gears, brakes good and not noisey.
    Remember this?
    Trial bike 001.jpg
    It's now this beauty.

    Franks drag bike 057.jpg Franks drag bike 058.jpg Franks drag bike 059.jpg
    Now I need my mate to find the key to his Yamaha and we'll be off for some fun.
     
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  17. ruckusman

    ruckusman Well-Known Member Premium Member Dirty Wheel Club

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    We need a rating for magnificent

    I name the El Magnifico
     
  18. my67xr

    my67xr Bike Enthusiast Staff Member Premium Member Contributing Member

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  19. Stubanger

    Stubanger Well-Known Member Premium Member

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    Excellent work as always Murdo, your build threads are awesome!
     
  20. Cuda

    Cuda Guest

    And there was me 'thinking 'I was good :) I've only been here two minutes and already I'm fast realising there's an arteest in the house :cool: 'you build some nice bikes bikes Murdo and I'm liking your ingenuity where it comes to making parts that chain tensioner is a great idea.
     
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