Building a moped race bike in 2.5 weeks.
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Building a moped race bike in 2.5 weeks.

This is a discussion on Building a moped race bike in 2.5 weeks. within the General forums, part of the Caferacer.net Forums category; Hi guys, So I thought I'd post this up here to see if anyone around has any misc. parts that are local to NYC I ...

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  1. #1
    Senior Member LarryBones's Avatar
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    Building a moped race bike in 2.5 weeks.

    Hi guys,

    So I thought I'd post this up here to see if anyone around has any misc. parts that are local to NYC I can purchase off of them.

    I'm taking my daily rider and stripping it for a moped race Oct. 13th.
    http://northeastmopedracing.com/


    What the bike is...is a 1979 General 5 C-2. It has a Italian Minarelli engine thats a standard topend as a Minarelli V1, but instead of a single speed transmission it has a dual variated trans. The bike has been my daily rider for the past 1 1/2 months and so far hasn't given me a single problem.

    Currently consists of a Polini V1 80cc cylinder, high comp head I machined to match with the squish. 21mm Dellorto PHBG, and a cheapo pipe I had laying around the shop. Other than that...the bike remains stock with some small things I adjusted with the front and rear variator weights, lathed the front cheek to give more travel...I'm going to try some slight clutch springs later this week.

    The pickup is good enough for city riding, the other night my friend on his Monster 750 was pacing me on our way home and got me at 57mph. This was wide open, but only had maybe another 5-7mph more to give if I had the room.

    I was wondering if anyone local has any small fiberglass seats around I can buy off of them. This week, I'm going to be hardwiring the bike, stripping everything off unnecessary and safety wiring.

    As I type...I'm about to put on some Cb125 front forks I've had laying around that I modified a downhill mountain bike front hub and mech. disc brake for, laced into a 17" aluminum 1.2 rim. Running 2.25 Sava's...just cause I had them laying around already. I kinda really wanted to try the Heidenau's that Tanner has...I rode on Heidenau k56's all of last season and they were a great street tire. Next step, I'm cutting and extending the swingarm 2.25" just to give me a little more. It's a very cramped bike, my ass hangs out far over the rear tire when I tuck in a bit with my monkey arms and long legs.

    Also...if anyone has any .020" shim stock around?...I really could use just a sliver...



    Puh puh please.
    Love you guys all. Time to show these moped kids how to ride trackside.

    Larry -
    Larry

  2. #2
    Administrator texmawby's Avatar
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    Good luck Larry. I will be just getting home from Atlanta on Friday and need to catch up on the house work or I'd go. Back to ATL for me on Monday too.
    advocate for the injured, disabled, and urinated upon.

  3. #3
    Senior Member JackC's Avatar
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    Have fun on that track. The straight away is uphill. My stock Puch Magnum didn't do to well there. I ran my Honda C100 as well, but the up hill killed it, top gear was too high, and it was screaming in 2nd. So I used 2nd until it gave up the ghost.

    Those Variated bikes moved right along. It is a tight track.

    I sold off all my moped stuff after the race.

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  5. #4
    Senior Member LarryBones's Avatar
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    Common Texy.
    It'll be fun.

    Thanks for the info Jack.
    I've been watching YouTube videos of the track to I can get an idea of its layout before I walk it. Kinda hard to see the main straight is uphill.

    I'll let you guys know how it goes as well as my bike's prep this week.
    Larry

  6. #5
    Administrator texmawby's Avatar
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    nah dude.....first of all i will be vehicle-less as i'm leaving my truck in ATL and flying back for the weekend, then flying back there (ATL) on Monday. No truck....no ability to haul bikes, so no racing for tex. next year my man, i promise. i did however fill out my profile on their website and secure my race number (#61).

    cheers,

    tex
    advocate for the injured, disabled, and urinated upon.

  7. #6
    Senior Member LarryBones's Avatar
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    I guess you're right Tex.
    I'm going to be buying a trailer hitch for my Fiat.

    Luckily I'm just towing a moped.
    Larry

  8. #7
    Senior Member Geeto67's Avatar
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    As this doesn't count as an invitation either I won't be attending.
    Ever tried. Ever failed. No matter. Try Again. Fail again. Fail better.
    - Samuel Beckett
    A tool is just an opportunity with a handle
    - Kevin Kelly

  9. #8
    Senior Member LarryBones's Avatar
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    Kerry, would you like to come?

    Also, going away party at the garage, that you must attend.
    Sat. Oct 20th tentatively.
    Larry

  10. #9
    Senior Member LarryBones's Avatar
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    So, I got this far today.

    Modified the Cb125 forks to fit, had to tap out headset cones and put new cones and races in. But, works like a dream. Mounted up the disc brake and caliper with stay. Spaced it out, feels really solid and bites hard which is nice, but still able to modulate.

    Test fitted the new rear shocks, sits a bit high since I didn't cut and extend the swingarm yet. But...it's getting there.

    Started to strip everything off. Next step is to gut the entire wiring harness and hardwire it.

    But, we all love pictures.
    Larry

  11. #10
    Senior Member Kurlon's Avatar
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    It may be sitting high seat wise, the swingarm angle looks nice though.

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