Home built full suspension custom frame pics!

Discussion in 'Motorized Bicycle General Discussion' started by StevenMain, Dec 22, 2016.

  1. StevenMain

    StevenMain New Member

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    Haha you're like the 100th person to suggest them to me. Honestly no idea how to hook up disk brakes but I'll look into it. Guessing I need wheels with disk brake hubs I can bolt rotors to.
     
  2. KCvale

    KCvale Active Member

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    Yep. And you can fit an electric system in some really cool soft tail bikes like this $3500 Specialized MB.

    [​IMG]

    But that is way off topic.
     
  3. StevenMain

    StevenMain New Member

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    3,500 ouch. My last bike was a flawless low mile 09 Kawasaki ZX6R and that cost me 3k with low miles. (Purchased from a friend and got a bonded title)
     
  4. KCvale

    KCvale Active Member

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    That $3500 was just for the bicycle, total build was ~$5K.

    Sure, a factory motorcycle will always be better if you can legally operate it, most here can't, and besides, you can't pedal a motorcycle home if runs out of gas or otherwise won't run ;-}
     
  5. ultralight01

    ultralight01 New Member

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  6. StevenMain

    StevenMain New Member

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    I have been eyeballing some alloy wheels and chinese disc brake set. Money is tight now adays, I get paid by flight hour. When the weather is poor I have to cancel flights, don't get paid, when students cancel, don't get paid, and when I do fly back to back flights all day I typically only get 4.5 hours out of an 8 hour day of pay. Awful pay in my job but it's only until I have enough hours for an airline. Then I'll be building some really sick bikes lol.
     
  7. StevenMain

    StevenMain New Member

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    Also as the old racing adage goes you can be fast and cheap or you can be fast and safe but you can't be cheap safe and fast lol.
     
  8. cannonball2

    cannonball2 Active Member

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    Yeah. Kinda like there's old pilots and bold pilots but very few old bold pilots.
     
  9. StevenMain

    StevenMain New Member

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    I plan to be an old pilot, but if I let the students have much to do with that I won't be lol. I swear someone tries to kill me on a daily basis.
     
  10. cannonball2

    cannonball2 Active Member

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    Yeah I scared my CFI a few times. When I was 22 bought an old Piper J5A and hired him to teach me to fly it(CFI cost $6/hr back then!). He was old but good. The J5 was tandem with the pilot in the front(unlike the J3 I got later). I was flying S turns over a RR track. It when on and on. I finally checked and he was asleep! I retuned to the airport flew the pattern lined up on final and was just over the numbers when I yelled Charlie real loud. He woke up, saw hat was happening about had a heart attack, and quickly too over and landed. I hadn't mastered landings at that point. He never dozed again!
     
  11. StevenMain

    StevenMain New Member

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    I am defeated.. I have to run a jackshaft.. Not just because I need to make the motor sprocket thinner (Im running the BMX chain thickness one.. but because alignment is not right without any shaft. Ill come up with something I guess.
     
  12. ultralight01

    ultralight01 New Member

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    IMG_3867.JPG

    I scored this Kona Dawg Deluxe for $250 at a yard sale, and it's in practically perfect condition. I don't see the point in MTBs over $1200 but I'm not a pro, I just go on intermediate trails as often as possible.
     
  13. StevenMain

    StevenMain New Member

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    Ok got her running... backwards ! :) and changing gears now without any Jackshaft.. just need to replace my throttle (it broke a new alumunum one is on the way) and add a fuel tank.. tidy up lose ends then it's apart for paint !
     
  14. ultralight01

    ultralight01 New Member

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    Can't wait to see it.
     
  15. StevenMain

    StevenMain New Member

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    The good news... HOLY **** IT'S FAST... really fast, I haven't put the speedo on it yet or used GPS but like 30mph is 1/4 throttle in fourth fast at like 4,500 of 10,000 Available RPMS lol

    The bad news... I have not been able to succesfully take it over half throttle.. every time I do the Motor to crank chain screws up. The first time a side plate broke, and this time it has stretched so badly my tensioner I made ran out of ajustment after maybe 1 hour of easy riding, then 10 seconds of half throttle acceleration. Keeps tossing the chain now its so stretched.

    I used a 1/8 SRAM PC1 chain.. last time I ever try it.. Need to find something with higher tensile strength.
     
  16. StevenMain

    StevenMain New Member

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    [​IMG]

    Needs a throttle still (temporarily using a brake lever until billet throttle arrives)

    Muffler (been on the way since Dec 23 )

    And I can ride it around for quite a while taking it easy, less than half thottle, and 30 mph.. But as soon as I try to open it up.. Chain tosses of the crank sprocket. I think its because the garbage ass square taper crank has a wiggle to it. Going to switch to a splined spindle and splined cranks, also I am running a 1/8 chain on a 3/32" crank sprocket, so I need to source or make a 48T 1/8 sprocket.
     
  17. ultralight01

    ultralight01 New Member

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    ChainS make me wanna kill myself.
     
  18. StevenMain

    StevenMain New Member

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    Lol it looks as if its perfection ... too much power applied it soon lets you know it is NOT lol.. I need to do something to keep it from jumping the crank sprocket... But hey I mounted a motor upside down and backward, and made it run backward on a custom scratch built frame. That's something of an accomplishment lol. I'll get it there.
     
  19. ultralight01

    ultralight01 New Member

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    Nice job. Alignment, chain size, chain quality, and good mounting are the keys to chains staying on in my experience. I had a kart with a 12hp engine that was mounted with official clamps to the frame. However the power of the engine made the clamps be meaningless and the engine would slide backwards, making the chain fly off. Took me forever to finally decide to bolt the engine to the frame.
     
  20. ultralight01

    ultralight01 New Member

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    When you're done with the chain, you need real wheels, brakes, and a fork.
     

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