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Post by sivel27 on Jun 23, 2014 21:11:29 GMT -6
by jobe ive found at least one of the problems ! .....wait for it ..... bent exhaust valve stem. the "head" of the valve had a rather large opening around half of the seat. also was being banged / and / or banging the piston. this sucks. and the worst part of it im fixing MY WIFES scooter seeing as though i biffed the quick stop during the eval. ironic ... i begged her to go to the msf class kicking and screaming, and i fail and she crushes it. im going to walk in this friday and see if they will let me take the driving eval over again, rather than going through the whole weekend. mike
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Post by sivel27 on Jun 23, 2014 17:02:53 GMT -6
ok, got it aligned. found the t mark on the wheel. all aligned, still the same. got a brand new sparkplug, cranked it a few times, checked the plug. bone dry. still searching. not giving up just yet.
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Post by sivel27 on Jun 23, 2014 14:42:21 GMT -6
as for the bolt, i mean the "inspection hole" bolt on top of the valve cover. its a large flat head screw. the variator spins, and i can definetely feel a gust of air when cranking with the spark plug out.
how can i sync the cam to the crank ? i mean, i already messed up the "marks" on the cam as far as lining them up. do i want the lobes of the cam "flat" on top, or what ?
thanks, mike
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Post by sivel27 on Jun 23, 2014 11:29:06 GMT -6
ok, so i did the "yardogs way" of adjusting. scootdawg.proboards.com/thread/15019i noticed when i try to fully turn the variator, about 3/4 of the way around, there is some serious resistance. i do this with valve screws fully loose. im thinking maybe i may have stretched my piston rings too much when removing / installing them. as for the resistance, i can turn past it, but only with quite a bit of force. is that normal ? mike
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Post by sivel27 on Jun 23, 2014 10:15:31 GMT -6
There was only audio. Is the crank turning? You can remove the spark plug and feel air blowing out if the crank is turning. If the crank isn't turning the starter isn't engaging the idler or the starter clutch isn't engaging. ok, so i can feel a nice gust of air. im thinking maybe its the valves. i have tried to follow the manual, but im doing it wrong. when i removed the cam chain from the sprocket, i did not note the position. i have removed the inspection hole from the right side crankcase, but i cannot see the mark on the flywheel. i can see the tdc mark on the cam gear. i cannot unscrew the inspection bolt on the top of the valve cover. too tight, and the bolt just chips when i try to open it. im at a total loss. im assuming not noting the the chain position relative to the flywheel mark is my issue. mike
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Post by sivel27 on Jun 20, 2014 14:27:19 GMT -6
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Post by sivel27 on Jun 20, 2014 11:05:54 GMT -6
Sure it's possible, but the rings wouldn't get oil in the coolant. So you've started it since you installed the gasket? Was the plug doing that before you installed the gasket? Is the exhaust smoking? Do you know how to check compression? i have started it since gasket install. prior to gasket install, it was black but dry. as to the compression, ill have to rent that from the auto parts store. the bike wont turn over. i hear the gear spinning, but it wont "catch". not even close. ill have to record it and upload it. thanks, mike
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Post by sivel27 on Jun 20, 2014 9:41:23 GMT -6
ok, so i installed the gaskets, however i see that there is black wetness all over the spark plug, including the threads. i changed the oil during all of this. is it possible to be bad piston rings ? any thoughts ?
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Post by sivel27 on Jun 19, 2014 7:57:50 GMT -6
yup. thats the gear. when i put the the case back on, it (impeller) does not spin freely. all is well in tinseltown then. im hoping to get my master cylinders today. received the gaskets , air filter, and exhaust gasket yesterday. this weekend the wife and i are going to the msf class all weekend. pretty pumped about that.
as to the floribama lounge .... ive never been there, but it was mentioned in a great book i just finished by tim dorsey - hammerhead ranch. im hoping to work on the scoot later this evening, and the pics will follow.
thanks again for taking the time to point me in the right direction rich. you are a wellspring of knowledge as they say.
updates will be forthcoming.
thanks again, mike
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Post by sivel27 on Jun 18, 2014 8:24:16 GMT -6
Foolish Earthling! Just ask! Use the Helix manual but just for the engine...the rest is for another bike. But the engine sections are exactly what you're working on. Rich your good, you ! thanks for that. im simply not worthy of your immortal power. while i had a bit of free time the other night, i was inspecting the water pump assembly, yada yada. upon removing the right side of the engine , a small gear fell off : prior to putting it back in place, i noticed the water pump impeller spun freely. no matter how i try to "re-mate" the gear in its location, the impeller wont spin freely anymore. ... if all goes well, i should have about half of my parts in today - gaskets filter and master cylinders. yup ... getting excited to do this.. thanks, mike
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Post by sivel27 on Jun 17, 2014 8:44:05 GMT -6
side note:
i have checked the library, but could not find a honda clone cfmoto engine tear down guide. they all seem to be gy6 style. the search continues...
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Post by sivel27 on Jun 17, 2014 8:18:07 GMT -6
another useless update :
ive got both master cylinders in the mail, as well as air filter and exhaust gasket. the scoots rear mas cyl is broken, and the guy tried to fix it by welding it. apparently it loses pressure. and the scoot did not have an exhaust gasket.
wait for it ...
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Post by sivel27 on Jun 16, 2014 21:11:15 GMT -6
ha. very nice. you got moxy kid ! yah, i did destroy that terminology. i doodly reckon the gaskets should be here by friday im hoping. so far, cleanup is going "good". ill have to hit it again some time on the weekend.
as for the library, im going to start reading that while waiting for aforementioned parts.
on another note ..
bashan, have you ever been to the floribama lounge ?
thanks, sivel
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Post by sivel27 on Jun 16, 2014 11:11:23 GMT -6
update -
got a whole set of gaskets coming in the mail, and thoroughly cleaned all the carbon off of the piston / valves. im assuming carbon buildup on those two parts negatively affects performance ? the piston body looked unharmed as far as gouging, etc.
question -
even if my batt is fully charged, i noticed my temp gauge needle falls from about half to the very bottom of the gauge when i start the bike. the thermostat and housing are new.
thanks again, sivel27
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Post by sivel27 on Jun 15, 2014 21:01:57 GMT -6
ok, well, i got impatient and decided to "go for it". i bought it for 100 bucks, and figured it would be a learning process, and i feel ive got my money worth. here are the pics : gaskets ? we dont need no stinkin gaskets ! piston body ? i know i killed that name. underside of valves head now comes the big Q ... is it worth it to fix ? thanks again, sivel27
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