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-   150cc GY6 and Under Engine Tech (http://www.buggymasters.com/forum/forumdisplay.php?f=29)
-   -   Camshaft (http://www.buggymasters.com/forum/showthread.php?t=1202)

joshstep1 10-02-2010 08:29 AM

Camshaft
 
Here's kinda an update on the project buggy I bought a few months ago. I rebuilt the whole dang engine and I tried to start it, but it has no compression! So... I thought I may not have lined up the camshaft. So my question is how do I line that up? And does anyone else have any idea why it doesn't have any compression?

Thanks y'all

olderthan 10-02-2010 09:20 AM

http://www.scootdawg.com/downloads/TopEndInstallGY6.pdf
josh this is how its done

joshstep1 10-09-2010 07:56 PM

UGH! I can't get it lined up.

olderthan 10-09-2010 08:53 PM

josh stop take a day off read again on how to set-then do it

chuckorlando 10-10-2010 07:28 AM

1)Stick a long screw driver in the plug hole
2)Raise the piston by hand till the screw driver is all the way up.
3)put the cam in with the big hole pointing up, line in relation to the top of the head, and small holes side to side
4)Put on the chain

It's in time

joshstep1 10-11-2010 07:44 PM

Chuck- I've done that about three times. We've found someone at my church that's really good at fine tuning engines. He'll take it Saturday.

olderthan 10-11-2010 08:48 PM

josh its not hard to do look at the video

BuggyMaster 10-12-2010 09:58 PM

Josh, what happens when you try to line it up? Keep with it. You've done great so far and this is experience you will remember all your life. Well worth your effort.

Make sure you adjust your valves correctly. If you don't know how, ask!

SYCARMS 10-13-2010 12:24 AM

Its easy Josh, bring the piston to top dead center than position the cam so that the large hole points strait forward and the two small holes or hash mark lines are lined up with the top of the head. Don't get too anxious. Some times you have to walk away from it. Many times you will not be right on perfect but it will be very close. Don't give up, prove to yourself that you can do it.If you still have problems give me a call and I'll walk you thru it. 662-301-1563
Tom

joshstep1 10-14-2010 07:49 AM

Alright guys. I'll try it one more time. I'll tell y'all the outcome later.

SYCARMS 10-14-2010 09:47 AM

That away Josh, go for it.
Tom

olderthan 10-14-2010 10:14 AM

go ahead its not hard to do-after the first time you will find it easy from now on

joshstep1 10-14-2010 01:05 PM

Again, it didn't work. I put the piston at top dead center and lined the cam shaft with the edge of the case, and it didn't work. Again.

SYCARMS 10-14-2010 04:48 PM

Hey Josh, why don't you give me a call tomarrow. 662-301-1563
TOM

olderthan 10-14-2010 09:23 PM

or call john 479-531-1178 after 5pm tom is the expert but i do work on them too.


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