It’s not the least expensive route, but it works. Of course, you’ll have to re-carb and re-clutch the package, but you’ll gain 4-5 hp in the process, and that’s a lot for a fan cooled engine! I know of a few XCFs that are running this set-up that really scream. Want to go faster? Would you believe that you can drop on a set of 1985 440 cylinders (Polaris part # 3083441) that have a different port height and really make power at 7200 rpm, in comparison to the 6800 rpm that your 440 runs at now. Take apart the secondary and verify that the spring is at position B-2, as some of the ’97 Sports were set at B-3 which wouldn’t allow the clutches to shift out completely. The first place I would start looking would be in the clutching are the clutches shifting all the way out? Verify all of the basic clutch adjustments such as the alignment & belt deflection. On the ice we can get an XCF (with the same 440 fan engine) to show 76-77 mph on the speedo.
94 INDY 440 MODS MODS
What kind of mods would help me get even more power and speed out of it? Later high-performance 440 Six Pack engines had a compression ratio of 10:5:1. This resulted in a 9:5:1 compression ratio. I’m a big guy, about 190 pounds, but I think it should go faster. ModelYearTypeWidthPitchQtyLetter DesignationCENTURION 50079823,4,8152.5248BEHJKQTIACLASSIC94984,8512.5248BEHJKQTIACLASSIC TOURING 96018152. The 440 engine had a 4.00-inch diameter cylinder bore and a crank stroke of 3.75 inches. The 'Xtra Light Triple' engine uses an oil injection system so no fuel premix is. The Wedge chassis also came with twin cylinder engines and ones with EFI. 93 polaris indy lite teardown 94 polaris rxl 650 94 polaris storm.
94 INDY 440 MODS MOD
The engine is a triple cylinder 2 stroke piston port design and makes around 88HP stock. Current 1:2013 Polaris Indy 600 CFI 2:2005 IQR 440 / 600 mod vforce 3 reeds 8 gal. What kind of top speed should I be getting out of it? When I ride it the fastest it will go is about 65 mph. The XLT model is based on the 'Wedge' Indy chassis that was produced by Polaris for a number of years. 74 cubic inch, inlet-over-exhaust single 5S vs 6S.
I have a 1997 Polaris Sport with a 440 fan cooled engine. The 440 high-performance engine had a slight power boost to 255 hp.
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