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Thread: How much power out of a 70???

  1. #1
    knsmodels's Avatar
    knsmodels is offline At The Back Of The Pack Arm chair racerAt the back of the pack
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    How much power out of a 70???

    How strong is a stock 70?? Should it be able to handle a 250lb adult without a problem?? I got one for my son and it seems fine when he is riding it but when I ride it, it seems to fall on it face as soon as I try and shift out of first gear with it. I never had one before so dont know how much weight they can handle. Maybe the engine is just tired and needs a rebuild.....like I said it runs fine with my 6yr old driving.....just curious......Thanks....Paul
    86 350X
    86 200X (son's)
    86 250sx (daughter's)
    84 70/125lifan
    68 SS Chevelle
    72 4X4 Chevy Truck


    Click to see what I do

  2. #2
    Join Date
    Jan 2005
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    Tennessee
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    I would think it should carry you. I just bought one and also weigh close to 250. So I hope so anyways. I did a search on this forum and its seems alot of adults ride them also. I am a little worried now, I read that if the front fender is hitting the head bolts it could mean a bent frame or forks. The frame looks staight, not sure about the forks. Mine just barely rubs, but I think my fender my be aftermarket also.

  3. #3
    Join Date
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    It should pull you arond ok so I would check it out, how does it run otherwise? As for the bent frame, take off the tank and if it looks like it is dented then it is time to look for another frame.
    1984 Yamaha YT 60 Tri Zinger(current project)
    1983 Yamaha YTM 200 (rear suspension kit)..... long term project
    2004 BMW R1150R
    1972 Honda CT 70
    2007 Lifan 110

  4. #4
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    The frame is perfect. I have it completely taken apart for a paint job. I think it may be the forks or the plastics may not be stock. Look at the picture of my frame towards the bottom of this page and tell me what you think.

    http://www.3wheelerworldforums.com/s...ad.php?t=49966

    Do you have any pics knsmodels?

  5. #5
    Join Date
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    hancadam - It looks like your forks are bent a little too me, the frame does look good though.
    1984 Yamaha YT 60 Tri Zinger(current project)
    1983 Yamaha YTM 200 (rear suspension kit)..... long term project
    2004 BMW R1150R
    1972 Honda CT 70
    2007 Lifan 110

  6. #6
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    I thought the forks did also. I will check into that when I get home. Thanks!

  7. #7
    dufrain's Avatar
    dufrain is offline At The Back Of The Pack Arm chair racerFirst time rider
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    That 70 should pull you easily.You will know if the motor is worn out by the blue smoke.I would clean the carb bowl out,the screen in the petcock and flush out the tank.
    85-70,79-110,79-110,80-110,86-250ES,85 250r,86 350x,82 250r

  8. #8
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    Thats crazy, I didnt know the 70's were luggin 200lbs+ guys around!

  9. #9
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    Quote Originally Posted by Yamahauler
    Thats crazy, I didnt know the 70's were luggin 200lbs+ guys around!

    What's this luggin stuff. 6'4" and 215#.
    Attached Thumbnails Attached Thumbnails Honda 70 018.jpg   DCP_0008.JPG  

    Lots O Trikes!!!!!
    TRIKEFEST 03, 04, 05, 07, 09 Going the distance

  10. #10
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    Quote Originally Posted by 200xman
    What's this luggin stuff. 6'4" and 215#.
    Hahahaha
    That is awesome, as my dad would say when I sit on my 90, looks like a dog trying to hump a football!

  11. #11
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    I want to get a 70 just to ride to the end of my driveway to get the mail. In full MX gear.

  12. #12
    Join Date
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    You might want to check your clutch, it could be worn or out of adjustment. About the front fender hitting the head bolts or the tank, check the stop for the front forks attached on the lower backside of the frame head, if they get bent out of shape, it will do the same thing, let the forks turn too far. A little heat and some persuasion with a usually will get the stop back into place. Make sure to either remove the fork bearings or to clean and repack them with grease later.

  13. #13
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    Quote Originally Posted by Dammit!
    I want to get a 70 just to ride to the end of my driveway to get the mail. In full MX gear.
    LMAO! I want one too, just to put around my local town. Right on the sidwalks "put put put" lol

    I want a 70!
    RPFLU member and co-owner.
    Hardtails is all we do.
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  14. #14
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    Quote Originally Posted by Kintore
    LMAO! I want one too, just to put around my local town. Right on the sidwalks "put put put" lol

    I want a 70!
    What's funny is my driveway is only one car length long!

  15. #15
    KASEY's Avatar
    KASEY is offline weee weeee weeeeeeeeeee ! ! ! The day begins with 3WW
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    its taken you guys along time to figure out what i have known since 1979 when i bought my first 70!!!!!!! 70'S RULE TOO,,,,,,, I STILL HAVE IT TOO AND 3 OTHERS ,,,,

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