VC 460 kick back

Bean3673

Having some trouble with my 460 wondering if anyone has any ideas. When the engine tries to spin it wants to kick back around like the compression release isn’t working properly. I have roller rockers and usually run my valves at .003 lash. I checked it earlier still at .003 so I though I would tighten them a little because I’ve heard some of you guys running .001/.002. I tried .002 still does the same thing. Sometimes it hangs up and spits back through the carb like a burp then it spins over. It runs great once it starts. The starter/generator is new battery is fully charged. When I get it running I can get it to run slow enough that it hits the compression release. Is it possible that it just isn’t working properly on the start.

BGW

__________________
This advertising will not be shown in this way to registered members.
Register your free account today and become a member on Buggies Gone Wild Golf Cart Forum

Shepard

How long has this been happening? How do you adjust your valves?

Bean3673

Just started wife and I went for a ride Saturday after it sat after the ride it had trouble but started we rode home. It’s done it every time since.

Bean3673

I pull my plug turn the clutch by hand til I get TDC and adjust both there

Shepard

It just started Saturday after you rode it. Did you run it hard - high rpm? No matter what way you drove it - sounds like maybe the compression release is malfunctioning.

Bean3673

We just went for a cruise around the lake no hard driving at all. We stopped hung out with some friends a while went to leave and it wouldn’t turn over. I pulled the rope which was really tough and once I pulled it through by hand it spun far enough to start. Since then it’s acted up. I am thinking maybe the spring on the release broke. Do you think that’s a possibility?

Shepard

You should back off the flywheel rotation to about 40 degrees BTDC and adjust your valves there. This makes sure the exhaust valve is fully closed. As soon as it fires and the timing mark travels to 90-100 degrees ATDC the exhaust valve opens. You need to remove all doubt the its completely closed -- also the compression release needs to be away from the lifter also.

Shepard

I would pull the side cover and check the cam and compression release making sure its all together and the spring is in place.

Bean3673

I will set lash tomorrow the way you stated and hope for the best. Thanks Shepard

Bean3673

I’m pretty sure I’ve hurt the ol girls feelings and she’s acting out. We ordered a Yamaha drive last week and it’s being customized now so I think she knows her days may be numbered. Lol