Wicked Hot Start Kickback

Got to the point I hate pulling in to a gas station,or anywhere for that matter....Sounds like the primary is coming apart when I hit the button....I cleaned all the cables and ground the paint off the muffler support bracket that the starter bolt goes through...My cop bike has a 7" ground cable that bolts to the frame right in front of the battery and has another 13" cable that goes from that point to the starter also I believe it's the regulator ground with a star terminal between the 2 ground cables,all terminals have star washers....Still kicking back...I tried feathering the start button with limited success....Battery is fully charged...
I believe the causes for kickback are...low battery,bad grounds, idle timing advanced,too much fuel,not enough fuel and compression too high...Am I missing anything??
Compression is 200PSI front and 190 rear,bike has seemed to start running rich for some reason,mileage dropped from 40-43MPG to 33-35MPG last few tanks...
Punched in the numbers for the build(kind of a Joe Minton build) and Big Boyz calculator says I should be at 185PSI with zero deck height and 85cc chambers(neither were checked when my "buddy" put it together for me,so I'm thinking it may be carbon build up raising pressure...
Before I try to learn how to make adjustments to fuel and timing(if I can adjust timing on a PCIII).....are there any other things I can check.....Is there a way to check Head Temp Sensor other than replacing...I hate replace parts on a guess it could be A problem, causing rich running,poor mileage??
Getting frustrated,starter clutch has been taking a pounding along with drive and ring gear....I'd like to cure this before I loose the starter clutch or break teeth....

I use to get that all the time with my Wide Glide after I had the engine bumped up to 95...Scared the chit out of me...Called my indy who said the cure was to just blip the starter real quick (fraction of a second) before starting...And then it should fire up with no problems...It worked for me...I have been told by some and don't know if it is true that sometimes when the engine stops the crank will actually roll back a little and the starter blip gets everything going in the right direction...Good luck...

Could it be too much fuel? Maybe getting past the float valve while you're stopped? Too much fuel on a hot start will do it.

Cold starts were never a problem for me...

I know this may not make sense (I still ain't figured out why) but my FLHR does that when it is nearing time to replace the battery. As I have had it for 15 years now, and it has done that every time and been cured with a new battery, I just accept it as so.

Sportster does it, only when hot, and only when people at the coffee shop are looking. Tell bystanders to look away, and see if problem is reduced before spending any money on repairs. Hope this helps.

sounds like possibly a leaking injector . hard starts and rick exhaust . gets worse as it gets hot hard as hell to start with all that fuel vapor.

Thanks fellasTaking the bike in to local Indy tomorrow,ditching the Michelins and putting on a set of Cobra's and rear wheel bearings...I'll see if he can test fuel pressure....How do I check for a leaking injector?? Like cowboy said,pull the plugs and smell for fuel???
Also,when I reconnected the ground cable to the battery I got some real tiny sparks... No security system on the cop bike,does the ECM or anything that would have a little constant draw??
I'll check the electrical diagnostic book tomorrow to see about checking head temp sensor...

Little Canada Day hangover today...Pulled plugs this morning,front looks rich and wet,back looks pretty good,maybe a tad rich but dry....I think I could smell fuel,but right now,I'm not quite sure what I smell...lol

Comp releases would probably cure the symptoms but not the problem...Indy doesn't have a fuel pressure tester,so I may pick one up myself because I can probably buy one cheaper than the cost of having the dealer do the test for me...
Battery is not the problem and with the gas mileage drop I don't think too little fuel is the problem either lol....
HRK got me thinking about the lifters because I took them apart and cleaned cloth out of them twice so it's possible one is weakened I suppose,hope I find it before I get that deep(stock pushrods)
So for now I'm going to run a few tanks with Seafoam to see if it's just a dirty or stuck injector,decarbonize the pistons then maybe unplug to Fuel Moto PCIII in case something went screwy with it...
I don't think the compression is too high for a stock starter...Still open to suggestions....

Is this problem with kick start or electric. Reason I ask is my 07 was doing it and the dealer said it was the starter being weak. They replaced it and sure enough, problem gone now for over two months. I was getting the bang grind sound every day.

Its electric...'03 cop road king delphi efi 95"...maybe solenoid plunger n contacts could use a cleaning...stock starter should be good enough to spin this motor

The starter is strong enough but there is a spring like a Bendix spring that gets weak from what I was told. All I know is a new starter and I haven't had the problem again. And I was told by other sources it was the compensator which never made since to me. That weak spring doesn't keep the gear driving everything in place. It pops out with a bang and then grinds. Do it long enough and it takes other things out as well. Just what I was told and it seemed to be right.

Battery does seem good...didn't get a load test done on it but voltages were good...12.7v sitting,12.2v sitting with ignition on and I think it dropped to 11.6v cranking starter...
Yeah,I can see a new starter clutch in my future,hoping I can solve this and get the rest of the summer out of it....People saying were supposed to have a good summer this year(about 3 weeks instead of 2 lol)
I'm leaning toward a leaking injector,but I'd like to test Head temp sensor too,just have to find voltage values for it....

hogcowboy...starter clutch/bendix is the weak link in the starter by design and when they break they can be replaced...Now if I find a smoking deal on a 1.4kw starter,I'd consider it when this clutch gives up....but it's only in the $60 ballpark for the clutch

Stock starter is fine with good grounds and a good clutch. Im cranking mine at 202 psi .I dont even use the releases unless its been a long ass ride in the summer and the oil is thin were tje lifters have bled down quick. I run alot of spring pressure. Stock bagger batt also . I bought an all balls clutch 4 years ago never had a problem since.starter is an original 2000 model.