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bought a standard 1/4" x 4" bolt and it worked like a charm guys.

THANKS!

I recently decided to tear apart and half-rebuild my dead 150cc sunl longbo.

During the changeover on the oil pump, I stripped out the hole for one of the crankcase bolts (stuck a longer one in by mistake) holding the right side cover on - sits above and to the right of the oil pump channel to the piston.

Has anyone else ever screwed this up and know what I can expect if I just torque down the remaining bolts?

I'm Thinking the bolt below and the one holding down the stator wiring might make up for the missing bolt with a little extra force (hopefully not enough to strip).

It's in a worst case scenario as far as position is concerned and having to change out everything to replace the left side case is just a disaster for me.

I had given up on this, but now im back with a vengence and stuck here again:

its the nut behind the casing thats behind the stator. Need to remove it to access the chain holding the oil pump on.

I need to remove this damn thing, and using a chisel isnt working. I already broke the fan on the variator trying to rig a tool on it to prevent the nut moving on the other side.

Helpful ideas needed.

Ive seen some instructional utubes and pdf's on the process of changing an oil pump on a gy6 150cc, but I also see that it uses a special tool to access the pump.

Has anyone rigged up a homemade tool or used a common mechanics tool to open the gy6 side up or is it absolutely necessary to use the specialized one?

Time is a serious issue atm, or I'd just buy another 6 pole with a 4 pin regulator and be done with it myself.

This is my only ride to work and my backs up against the wall to get it running.

The basic scenario is the engine in it currently came from ebay last year with the 5 pin regulator and because of the regulator issue, I swapped my old 6 pole into it and that stator has recently died, leaving me to reinstall the 8 pole and quickly receive a freshly burned out 4 pin regulator and blown headlight bulbs ( forgot about the regulator issue when I swapped it back in).

I tested 50 volts coming across the headlights at mid wot.

I need to make this 8 pole + 5 pin regulator work asap or risk losing my job and all the things that go with that; Not fun.

Now, when you say serious wire stripping, do you mean I'm going to melt the headlight harness out?

If so, does that indicate a need to rewire with a heavier gauge wiring or would that just cause other issues?

I have the tools and just enough knowledge of electronics to make the worst of a situation like this.

Just as the title says:

I Have a Longbo/adventure with stock 13" wheels, and I'm wondering if the larger 16" wheels that I've seen on some higher end 150cc scooters would fit my gy6 long case or if they require a special engine/extension?

I have rebuilt a top end on the previous engine, so its not like I'm unfamiliar with the procedure to take a head off.

I just have a need to know if what i bought is what I got.

i was worried about the valves because I know that new engine's frequently need them adjusted as they loosen up after they get heated the first few rides; is this not the experience you have had with gy6's?