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a pvl ignition is great if you know how to set the timing....many ppl are fast cut the pvl down because of that. its really not hard at all, you need a dial gauge that screws in the sparkplug hole and then you set it to fire at X degrees before top dead center. i use these ignitions on drag...

the 12 ports consist of-----5 intake ports,2 transfers on each side X2, and triple exhaust ports......5 intake+4 transfer+3 exhaust= 12 ports. most sleeves are not going to have triple exhaust and the 2 extra intake ports(boost ports) can be machined into any jug(carefully). are you re-sleeving...

how about back firing tho? and what exactly is happening to the reeds(not the credit card ones because those wont last) are the cracking off, chipping, warping? any pics of the damaged ones may help.

does ur bike back fire ever? and are you using the stock reed stops because with both vitos and boyesen ur not supposed to use them

vitos fat bastard will make the most horsepower

BR9ES is a cooler heat range then BR8ES,and that plug looks lean, greyish looking to me, the try getting a dgh needle as well

i wouldnt put too much faith in that chart, #17 and higher are all lean plugs and they have them listed as "best" or "good". you could drop ur main a little but you gotta take in to account that the blaster is air cooled and the longer you run it the hotter it will get, now i dont know how long...

whats your jetting? and are you doing wide open throttle plug chops? i think your rich but answering those 2 questions will narrow it down

pretty cool, ive driven past that place before it was open, its be like 2 hours from me but looks worth it....any flat drag race areas?

boy 3,900 dont getcha what it used to...turd for sure

all vitos cranks come with seals now, just got a another 4mm(banshee) came with seals. how far was the crank off before oconner had it?

that jet kit is for a stock 26mm mukini carb. yes the main jets would work but the pilot and needle would not. i also suspect an air leak was the killer, craming a 38mm carb into a 35 intake,head gasket, crank seal, reed gasket are all places that could be leaking.

how much did you pay the "professionals" that jetted your bike lean?

I have a Mikuni 38mm carb on their so running lean shouldn't be possible especially because I jetted somewhat high knowing OBVIOUSLY that it is better to run rich than lean OBVIOUSLY running a 38mm carb will solve all your jetting problems,even tho your last sentence states "Sorry guys I will...

also will be blowing white horrible smelling smoke

ive installed plenty of these(not on the same carb) with no real problems, some times when i dont use a mill to shorten and level the tube its kinda hard to do and youve gotta get it down pretty far. never lost or had one come loose.imo id take the jam nut over the spring.

2000 doesnt sound bad to me as a package deal

devcon has worked pretty good for me in the past

because the casting varies year to year some of the cases need to be releaved, just in the path of the rod on the back half of the cases and usually only a few mm's. could be done with a hand file if you dont have a dremel. always mock assembly a new crank and make sure you in the clear

turn the engine over by hand on the flywheel and see if you feel or hear it then.