JM HD driveshaft for oem 155 pump in 90-07 SJ length 26 1/8” used for a season. One small mark on it from the prop rubbing. SOLD
Skat trak e-75 155mm impeller 7/13 cutback 5mm $325 + shipping.
Old style thrust trim for 144 but the ring was milled and sanded to fit a 155 nozzle. Could be shimmed back down to run on a 144/148 again. Needs a new cable
$250+ shipping
Et 967 stock stroke short block. Cases were done by et early 2020 and it was assembled last June, hot rods crank, at 11.3 hours right now, race gas domes.
Located in Utah $3500 + shipping and PayPal fees. Would possibly trade up towards a 900
Clean set of dual mikuni sbn44s with a R&D manifold port matched for vf3 reeds
Just went through them this summer before I put them on a new motor and have only had good gas though them since.
$400
Jetting is at
115M
125P
2.3 N/S
95g springs
I would say the pump isn't letting the motor rev up off the bottom to full potential with a stock bore 155 nozzle. Bore it to around 88-90mm and it should be a huge difference. Tuning the pump takes some trial and error but its necessary to get the correct load on the pump.
Im running a skat 6/12 cutback 5mm with my OE155 and that feels really close to me on a strictly flatwater, racegas setup. Play with your reduction nozzle bore if you haven't already. I will also say running the correct amount of timing with a good ignition is a night and day difference.
haha for the record I've been running my 967 on AM 44s and it rips too. FW Flips came around perfect at sea level and i only have 4 hours of ride time on the ski. That being said 46s or 48s are now at the top of my list since i now have a good ignition set up and i know I'm leaving power on the...
Cases have to be fly cut pretty big on a mill to accept the big sleeves on these. Might be able to do some notchy work with a die grinder but cases get pretty thin and its probably better to spend the $350 to have it done right.
Just ordered a A02T from JM to put in my 967 and will just run the wax curve for these last few weeks of the season. JM mentioned in his post that there was a programming change so you don't have to remove the 3rd lump. My question is, should i just machine/grind that off to be safe or does the...
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