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  1. M

    Brand new clutch fried after first run? Why, oh why?

    Oil the clutch bushing every 2 hrs of use.. A couple of drops... Oil a good amount when new. Smoke is not a good thing.... Id say up the rear sprocket tooth count to at least a 60... if not might have to put a jackahaft to augment the ratio... tire are big, so thats the real issue..
  2. M

    How are these hubs/carriers attached to axle?

    Off hand it looks like this is a dead axle and the wheels themselves are spinning on their own bearings.
  3. M

    Shifting issues

    Hello and welcome... Please provide much more info as to the kart, engine, transmission, and various other things about the kart, aswell as a pic or 2 to help us understand what were dealing with...
  4. M

    **HELP** Vintage Briggs engine Fires but won't start

    Try Amazon or get a bit of gasket paper from an auto parts store or any cardboard packaging material about the same thickness(thickness isnt super critical in this case).... Cut out with a sharp hobby knife and scissors. If using card stock, having a slight film of oil on the surfaces help to...
  5. M

    Engine won't run when the choke is off

    What colour is the plug??... And more to the point of curiosity.... Why does it matter to have it off???? Was it able to run on the half-cock position of choke??? The flywheel has a key on the shaft connecting the point of timing of ignition.... It can be offset to allow advance or retarding...
  6. M

    Coleman KT196 gear bearing help

    Use a torch to heat the outer housing it sits in... then see how easily it comes out... Use a brass, aluminum wood tool to punch out the bearing, as to not damage the bearing housing accidentally....
  7. M

    Coleman KT196 gear bearing help

    2rs is a rubber seal... Z or ZZ is a metal permiable shield, that allows the grease to penitrate and lubricate the race... With that being said, a call to a local bearing house, in you city should be able to source that easily. Post a pic of the bearing itself... Might be an oddball one...
  8. M

    Upgrade Spark Plug

    When I replace from factory supplied plug, I go NGK bpr6es... Only cause I had ran those in my truck and I bought a big box of plugs.. Having R rated doesn't matter much in theses cases...
  9. M

    Crack in engine body (non-pressure part), recommend some hack/solution

    Believe it or not... JB weld might be your ticket... Clean it extremely well.. gouge out the crack a bit... Might take a full tube of stuff... I reckon it'll fix it enough..... It's a China motor... So might after that... Just get a new one...
  10. M

    How common is gx390 pull starters breaking?

    Hmmm... interesting... When you pull the cord for the first few inches.... does it have any resistance or hangups.... or just fine till it contacts the cup???....
  11. M

    How common is gx390 pull starters breaking?

    Does it have factory starter cup and blower housing??? It almost sounds like the cup is out of standard alignment with the starter pawls... They will bind and hang up if the housing isn't seated correctly, or if the flywheel is offset not being stock... Or... It's got alot more go off the...
  12. M

    Has anyone ever tried to run a oil cooler off a pulse pump?

    There should be enough room to run the pulley on the drive end...
  13. M

    Quick bits

    Whats this steel to be welded????
  14. M

    Has anyone ever tried to run a oil cooler off a pulse pump?

    With a 420, it has enough power, you can run a self exciting alternator with a battery... Youll have all the power youll need for this...
  15. M

    How common is gx390 pull starters breaking?

    That does sound unusual... Lets see some pics of the cup and starter mech.... I reckon something is awry with the fitment.... Edit:What mods do you have done with the engine?? new flywheel??? ...
  16. M

    motor help

    Here's a speed and gear ratio calculator... https://www.electricscooterparts.com/motor-jackshaft-wheel-gear-ratio.html
  17. M

    cooper clipper radial mower....

    Thats crazy... I'll definitely watch out... I havent got into that just yet... but im hoping Ill break into it soon... Have had a few other home pressing items as of late...
  18. M

    How common is gx390 pull starters breaking?

    What part and where is it breaking ?? Pics?
  19. M

    212 cutting out

    What does the plug look like?
  20. M

    New Engine has no thrust

    The count of the front sprocket and the rear sprocket. Also take a tape to the rear tire on the ground, from there upto the top of the tire is what measurment we need... Your potentially going to run into a problem with the con- rod letting go since you've changed springs out. The threshold...
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