project motor.

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Jblankster

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got it all done! everythings set! now i jus gotta fill it up with oil and gasoline and hopefully itll start!
 
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:( the freakin pull start broke. and the compression sounds bad( it did before though too). the carb dosent seem to be pulling any gas either. im goin out to dinner now but will try to fix when i get back.
 
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i think i figered it out!. my cam is "backwards" air seems to be pulling in through my exhaust and out of my intake! and the carb is dee dee dee. i think i might just use my drill to start it and take the pull start off. i tried it and it will start it with my drill, but once it starts im gonna be afraid of wats gonna happen to me holdin the drill. the whole pull start broke. one of the white things snaped off, well the little pin that holds it in place did.

does anyone know what are the timing marks and where they need to be lined up on a briggs raptor/funpower motor? i tried a few positions that i thought worked. and it diddnt. but the 1 that did the strokes are backwards (well their not just the air is going the wrong way)
 
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OK! I GOT IT ALL FIXED FINALLY AND WORKING!

sorta. i got the most 2 pops out of it before it died. it wants to start, i pull the starter rope and i hear 1-2 pops (the motor running not the starter dying) out of it, then dies. the carb was a bit flooded, i hope that was the problem. going to check now again
brb
 
crazycart

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i just rebuilt an engine(not as extensivly as you) but i ported and polished the intake and exhaust ports and i still havent got it running cus i used an old tillotson at first but it isnt working and there isnt enough room in the minibike frame to use the stock carb and gas tank...i guess ill just have to cut the frame..
 
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ok, i need a new diaphragm in the carb (i think) so im pickin up a old carb (same one jus off another motor, same motor too... next project, then 200cc dirt bike motor!) and either using that carb or taking the diaph. out and using it.
 
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idk where to get one close by and idk what carb it is. and the choke is held open by a spring, the other carb has the little locking tabs, and the throttle stop (metal piece that stops it at WOT) is broke off.
 
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:( i got the new old carb today. not much improvement. i for a few more pops out of the motor but thats it. when i take the spark plug off to check for any gas. its dry and the inside of the combustion chamber is wet not alot but enough to start it looks like. i fixed the spring. the diaphragm is not broken. im pretty sure its getting gas but i dont know why its not starting. im starting to give up. i might just get a new carb. what gas carb can i get for that that will work when i mod it too?
this is my first un startable motor ever :(
 
Jblankster

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yea. especially when its free :p

i think im gonna jus get a new carb. my dad thinks the timing marks are off but they are correct (checked it 4 times), its the carb thats messed up. i think. i hope that it cuz i needed a new 1 anyway
 
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