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enhancer is cheaper and more simple than a carb system advance the stator 3-4mm if you not doing extended pinned throttle runs lowering cylinder is done before porting so could be a mixed bag results

62t 760 cylinder at 84mm bore? was the cylinder porting done by z force? was the cylinder lowered to lower exhaust port timing? more ignition timing will help aftermarket mikuni 44's or 46's work well

buckshot for sure not what I ran but sounds close 140 L 1 1/4 out 135 H 3/4 out 2.3 -95 gram spring i did add a extra check valve on the middle jet plate because of the triton billet midshaft housing made my blaster vibrate some

full spec carbs will use bigger main jets than sbn 46's start by dropping main to 120-122.5 2.0 needle seat is fine you dont need the special 1.8 that ed uses in full specs use no less than an enhancer cdi- forget the epic-its too hit or miss running problems run enhancer advanced a little at...

works good for methanol/nitro engines at 16-20:1 jet ski engines run colder than any other 2 strokes due to open water cooling system anything aircooled really bad carbon/dirty buildup don't believe everything they list on the webpage

dont use benol oil use esterbased modern oils or degummed and refined like maxima 927

cut out big tranfers if done right for big cc engine setup 1000cc+ i know your not dumb with the yamaha 62t cases

agree just make sure you run enough piston to wall clearance

most 62t cases are

use 1/2 line from pump all the way through to the engine compartment and use y splitter to 2) 3/8 lines to feed engine

you don't need it once you fill crossover just make sure you lap it flat on some thick glass plate

nice build may need to change your name to freestyle 1200

thanks for the backup lanmine657

yes for sure i have usd ada heads since they started making them 33cc for 2000-3000 ft 35cc for 0-2000 you also can have custom ones made for 1000-1500ft 34cc keep in mind this is for stock un-ported un-decked 701-718cc cylinders add a msd inhancer too if running stock cdi

you should be fine on 31cc domes for 5,000 feet

looking from the bottom of carb into the throttle bore look for small holes after the throttle starts to open at about 1/8 throttle you will see a progression series of holes that keep adding more fuel as the throttle plate continues to open there is one big hole about 3/8 inch down from the...

are they 3 or 4 hole low feed? 4 is much better and are like the retail ones

dont know about kaw 750 pistons just talking about the 760 yamaha piston like the 85mm size

all pistons can be seizeco's its all about how to setup the engine package you should know...you have been here a long time and that was a lame statement do a search plenty of seized cast pistons its the nature of the beast with a open water cooling system granted the wiseco yamaha 760 piston...

when you say modded dual 44 what do you mean? stock oem carbs modded? mikuni retail carbs modded? reverse jetting works good for freestyle setups pipe water management can play a role why some jetting setups don't work well