MOPED ARMY

loose belt or lean jetting, or both.

Condenser weak old points ?

Did the flywheel cam lob wear down points arm closing points gap?

CK flywheel timing & stater ?

Did you clean gas tank/fitings ?

Did you in stall new gas hose/filter ?

Did you clean and re gap/points ?

Whats your timing set at ??

Did you Try a new spark plug ?

Your spark plug is Brand ?? NO#????

Spark plug gap is?

All I did was put on a performance exhaust. Before that, it started on one kick.

I'm running an NGK b6hs, new condenser, new coil, etc.

I didn't gap it to any specs, just made it smaller until I could get it to start.

Sounds like the belt as far as starting up goes..

Does it idle alright?

update on this... I'm still having problems...

someone else recommended the following

Condenser weak old points ? ---- no, new condenser, points look great

Did the flywheel cam lob wear down points arm closing points gap? --- don't know what this means, but there's no grounding out going on inside magneto, points appear to spark okay

CK flywheel timing & stater ? set to stock

Did you clean gas tank/fitings ? filter is cleeeean

Did you in stall new gas hose/filter ? yes, yes

Did you clean and re gap/points ? only 1,000 miles on the bike, points look great

Whats your timing set at ?? stock

Did you Try a new spark plug ? yes

Your spark plug is Brand ?? NO#???? NGK B7HS, also tried B6

Spark plug gap is? just a little smaller than parallel b/w arm and electrode. Any smaller looks like it would practically be touching

air leaks? nope, checked out, and 120psi

like I said, started up great before I put a new exhaust on.

I have both a choke and decomp, you have to do it _just_ right, and pedal the hell out of it. After that it won't idle unless it's given a good warm up.

Put in a new plug. An old or dud plug will make the bike hard to start and make it backfire. The only reason a bike would backfire when first started is a weak spark not igniting fuel. Make the plug gap larger. Parallel is pretty close to being correct and should work fine.

Wierd. I've never seen that happen with a properly gapped new plug. If it backfires, it has to be electrical...

I'd try running some fine grit sandpaper (220 works) through the points, spray them with carb cleaner, then run a piece of paper between then until it comes out clean. Sometimes a tiny amount of oil can get on points, and although they look clean, the plug doesn't fire every time. Once the bike runs a little, the points are opening and closing so fast the oil can't ooze back.

Other than that, check the wiring over to see if anything is burnt/worn/internally broken