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  1. karl

    lawn boy power

    Just sharing an update on the bike. Runs quite well, lots of torque. 140cc duraforce. Sounds healthy
  2. karl

    Amazon billet rod

    Just out of curiosity I ordered one. It appears identical to an arc rod, minus branding No name on the bearings. Instructions are copy/paste from arc Even if it works as well im not gonna buy another, not worth it to save 20$. And I advise others to do the same. Got a gx200 from a...
  3. karl

    Torque converter belt jumping/ slipping

    Done got a problem. Too much torque. At like below 20mph if you hit the gas the belt climbs up the driver and slips back down and just aint having it. After its moving a bit, the belt grabs fine and it moves stupid scary quick like. It's not gear ratio, the used the same clutch , sprockets...
  4. karl

    Race Chassis Id?

    Picked up this toy. Was looking for some pictures of a stock frame , as there are a few things that were cut/ modded. Also interested in an approximate build date. Thanks.
  5. karl

    Mechanical Brake Calipers no good?

    Just put a new axle setup on the drift beater/ 60' simplex. I ordered a cheap hydraulic disk setup off jungle prime, and 2 days later the ship date was postponed over a month, and I already had the axle parts. So I had a brand new mechanical caliper sitting around, genuine knott / thomas unit...
  6. karl

    Mini Quad

    I be doing it
  7. karl

    Milling head on drill press?

    Just playing around with a junked toro 212cc snowblower engine, down about .015, hopefully by the end of the 6 pack she'll be shaved .050 . Don't worry bout the finish, after some rubbing on 100-150 grit emery cloth sheets, ill be store bought. Just a 5/16 end mill and a 1970's craftsman...
  8. karl

    Free Buggy thing

    Got this thing on trade for a mower engine I got for free. After some bucket seats, new tires, and some cleaning, should it get twin gx160's with 30 series, or a single gx270 with a 40 series?
  9. karl

    56v Brushless motor info?

    Got these from the 42in mower deck of a 56v zero turn mower. Each motor spins a 21in blade. There is zero details given about the specs of the units. I pulled it apart and could not find the manufacturer or anything. I want to find a suitable controller and use one to power a mini bike...
  10. karl

    224cc Predator carnage

    Well, good news I did not do anything wrong. Bad news, engine is destroyed. Only had bout 3hrs on her, billet rod, mod2 cam, 1 to 1,3 ratio rockers, PVL flywheel, 20lb springs, ect. She let go and snapped the exhaust valve at at over 50mph. Also found out it broke the juggernaut driver (POS)...
  11. karl

    Hemi flywheel/ rod/ cam

    Getting out of the hemi game, last one I had sitting on the shelf I put on a mini bike frame to flip. So I have these and no use anymore, all 3 fit the predator hemi 212 ARC billet flywheel , #6626 DOM 06/17 ARC billet rod #6254 DOM 12/16 Dyno cams MOD2 camshaft Used parts of course...
  12. karl

    PSA brass oil drains

    Done learnt a lesson tonight the hard ways. Solid brass oil drains, on a stock flathead , great, 2in extension 1/8x27 , and shutoff valve. Solid. Same setup on a stage 2-3 , 208cc clone, no worries for over a year and lots of riding. Tonight, took an extended ride, pavement only, it suddenly...
  13. karl

    comet torque converter belts

    I was shopping around for a new belt , and in the past I used stens 255-299 aftermarket belts, they were made in the USA , good quality. https://www.stens.com/255-299-oem-replacement-belt So I ordered one a couple days ago, and they are now made in India. It's labled on the sleeve and belt as...
  14. karl

    Lawn Chair

    Gettin er ready for a pliance jump. Hip hip. After I get a new embiggened sprocket in the mail, biggest on hand was 45t, I can mount the axle and send it. Just a toy to slide around the parking lot this winter on lunch break.
  15. karl

    small engine lot

    *Honda GC160 5hp, good motor needs carb work now 3/4 shaft *GX390 parts motor block , sidecover, head, piston+ rod, other misc parts. no crank, cam, or flywheel *Kawasaki FG200D 5HP flathead, had rod knock/ crank problems? 3/4 shaft *8hp flathead briggs , locked up, 1in crank with...
  16. karl

    MM212 motor mount fail

    Bought this new couple years ago. Progressively hopped up the motor, ended up with flat top piston, billet rod+ flywheel, MOD2 cam, milled head, VM22, ratio rockers, ect. After some ATV trails. noticed excessive vibration from the engine, then seen the cracks. Has anyone else seen this...
  17. karl

    Crude 1 night bike

    Did not go as planned and just rolled with it. Nothing is square or even. It's got character. Evan williams and impatience led the way. The hazard fraught pipe folder did exactly that. Long as the forks, motor, and rear wheel's straight, she'll be right. Needed something tall enough for a...
  18. karl

    A slippery subject , oil weight

    Oil brands and synthetic vs conventional oils have plenty of opinions associated with them. I get it, and that's not the direct focus here. Typically 30 weight oils are what's dumped in predators and the likes, as I have done for years. Stock or hopped up, 30w seems to be the "norm" I see...
  19. karl

    Top speed battle, Kart or Bike?

    Ive dun thunk up this conundrum , looking to build a ride that can achieve at least 50mph with limited power, and cruise comfortably at 40mph for long distance travel. Lets say the powerplant is a light n small 2-cycle, what would be the best bet? At what point is the weight savings of a...
  20. karl

    60's Simplex Challenger resurrection

    No restoration, keeping it OG. Reverted from a yard kart, removed the adapter plate and 13ci flathead. Was going with a Lawn boy duraforce 6.5hp unit, made a custom exhaust "system" Then my brother said I can have his west bend 820 , freshly sleeved. It originally had single or twin...
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