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We'll no decompression arm tappet cover but e-start. Wish it was 447, new cylinder piston kit would be easy. It has the roller type cam tensioner on it. I have an 80 G model and want to use the head on the TX for the 80 G.

I just picked up a '73 TX650 US engine, Due to what the vin says (S650-209952). Is this a 447 engine? Or which type?

All in and the pemco runs flawless !!

I have done the pemco/PMA swap on my 80 Xs. When I first started with the Pma wired to my jeep batt I got 13.2 at idle, and 14.4 at 3000. I put a brand new fully charged batt in the bike and wired in the Pma ( red to pos of batt and green to neg of batt). Now I don't show 13.2 at idle it shows...

Pete's got my address and should have replacement coming :-)

Sitting, looking wishful at my non running Xs patiently waiting for a reply from Pete.

And yes no 5v reading at the sensor on the red wire

Thanks for getting back to me Leo. I think I have triple checked all wires and connections a dozen times. I did leave the meter attached to the green wire at the coil and no drop from the 12.8v when I spun the adapter to spin the magnets past the transistor. I do see why Pete's a busy guy.

All ready done, and pm him here twice.

Ok coil test 3.5 on main terminals, getting 14,500 across plug terminals open on all other tests. Pamco test stock plug grounded well to head, wire attached, other plug wire attached to plug in bike. Cam pin out pamco rotor on loose, key on spin rotor and NO spark ( done with e-advance wired in...

All connects are soldered.

Yes power to red wire to the e-advance connected to red wire to coil. No manual test yet. That's tonight after work. I have 12.8 volts to bothe green and the red on the coil

I'm not getting power to the red wire on the sensor after the e-advance. Brand new bat full charge, not connected to the new Pma. Full kit from mikes on a 1980 xs650 simple wire with inline fuses 14 gauge wire. Any ideas?

Odd question if u get the complete system PMA/ Pemco + e-advance other than lights u shouldn't need a wire harness inline fuses ( sorry for the noob que)

Man I'm such a noob at this!! Hope the new complete system that is coming has instructions for dummy's lol

Well needless to say I just bought the complete package PMA/pemco system from Mikes just now and am busting inside waiting for it to show up

That looks right 650Skull thanks and I think I got blurry eyed at that point will reread

My eyes are bleeding from all the reading! Can some one please show a wiring diagram for '80 xs650G has head light ( light has a hi off low beam switch on the light), tail/brake light, PMA charging and pamco ignition with hall sensor, key switch with off on and on. No turn signals, no kill...

Oooohhhh allmost forgot congrats Leo!!!

Planing ahead so I know how many fuses and wire ends I'm gonna need as well as maybe the 6 or 8 pin chopper harnesses