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09-12-2015, 01:41 PM
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#11 |
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Gone Wild
Join Date: May 2010
Location: OHIO
Posts: 1,517
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Re: yamaha g2 engine help
That's me pushing down on the lifter and its loose to where i can move it easy
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09-12-2015, 03:12 PM
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#12 |
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Vegas modded 420
 Join Date: Jun 2009
Location: West MI
Posts: 15,443
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Re: yamaha g2 engine help
Pull the rod out and check for straightness and breakage. Some engines the rod can fall down in there I don't recall with this, but you may have to put the rod back in the lifter it sets in, then install/adjust the rocker. Otherwise something is broken in the cam or lifter but its not common.
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09-12-2015, 03:27 PM
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#13 |
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Gone Wild
Join Date: May 2010
Location: OHIO
Posts: 1,517
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Re: yamaha g2 engine help
Yea the rod is in good shape, when i turn the engine by hand the left side goes up and down like it should but the other does nothing
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09-12-2015, 03:36 PM
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#14 |
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Vegas modded 420
Join Date: Jun 2009
Location: West MI
Posts: 15,443
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Re: yamaha g2 engine help
Get a flashlight and look down in there you should see the lifter that rides on the cam. Get the rod sitting in it for sure like the other side, then turn it over and check for movement up down, should see it move even if you are holding it in by hand, it will move when the cam pushes it up just like the other pushrod, at a different time of course. If nothing you will have to pull it apart or swap to a BB.
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09-12-2015, 03:53 PM
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#15 |
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Gone Wild
Join Date: May 2010
Location: OHIO
Posts: 1,517
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Re: yamaha g2 engine help
What broke if it does not move ?
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09-12-2015, 06:50 PM
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#16 |
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Vegas modded 420
Join Date: Jun 2009
Location: West MI
Posts: 15,443
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Re: yamaha g2 engine help
Either the cam broke or the lifter maybe, can't say I've ever heard of that on yamaha cart engine. Have heard of the balance shaft breaking. Its only 15min to pull the engine and take the side cover off, you can see everything. I would just to see what is up in there. Sometimes the lobe on a cam will wear off if the hardening fails, but it would run progressively worse as it happened.
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09-12-2015, 07:17 PM
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#17 |
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Gone Wild
Join Date: May 2010
Location: OHIO
Posts: 1,517
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Re: yamaha g2 engine help
Thanks ill pull it out tomorrow and post some pics, i took the rod and tapped on it but nothing moved so i stopped till i check into it
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