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This is a discussion on 840cc big bore update within the Kawasaki Teryx 750 / Mule / UTVs forums, part of the Kawasaki ATV Performance / Maintenance / Technical category; some of you may already know from some of the other sites about my teryx project. i've got a 840 kit w/stage III cams from ...
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Kawasaki Teryx 750 / Mule / UTVs The new Teryx UTV, and the original Mule. For a site specific to the Kawasaki Teryx, please check out TerxForums.net. |
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#1 |
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some of you may already know from some of the other sites about my teryx project. i've got a 840 kit w/stage III cams from Mickey at FST, vdi,. drilled nine 1" holes in the air box lid, and two days ago completed a full exhaust system for it. the exhaust i fabbed from mandrel bent tubing, started at the heads with vw exhaust flanges, they are a perfect fit. then made the first 12" out of 1.5" then stepped up to 1.625". overall length ended up being 40.5" that is as short as possible the front can be made, i even raised the front header over the flywheel cover to shave every inch i could. the rear i made equal length then combined them into a 1.75" to 2.25" merge collector that i also fabbed. the muffler is a hushpower II shorty with 2.25" in and out. once it was done i wrapped the headers with thermal wrap to help with the heat. i rejetted the carbs with mains that i drilled out to 3/32" and turned the screws out two full turns, one turn is stock. it was fast with just the 840 kit, but this exhaust really woke it up. the top end power is nuts, it now pulls hard all the way to the rev limiter, in fact, once the belt reaches the top of the primary and the rpms increase it starts pulling harder, so some clutch work is next to get everything out of it. i also own a long travel sand car with CBM built 402ci stroked ls2 and Fortin box, so these side by sides have never really impressed my with there power, until now, this thing puts a smile on my face.
i want to thank Mickey Dunlap at FST for all the help with this and the exhaust recommendations, he really knows these motors, thank you! i would be happy to post some pics if some one can get me permission. for now thats it, i can't imagine needed a more powerfull side by side! |
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#2 |
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Premium Member
Feedback Score: 3 reviews
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If you own a sand car with a CBM built 402ci stroked ls2 and you say your side by side is fast I believe you. Enjoy it!
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KFX 800 AMR/ASR/Diamond/DG/Dynatek/Elka/Falicon/GT Thunder/JH Clutch/Muzzy Super Pro/WEB YFZ 450 CP/CCP/FCI/Fox Evol DSC/Fox Podium/Hiper/Houser/JD/Nmotion/REM/Team axle |
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#3 |
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Senior Member
Feedback Score: 0 reviews
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WVSwampDonkey now know as DonkeyKong
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#4 |
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Premium Member
Feedback Score: 1 reviews
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Post us some vid's. This sound like a "must see and hear".
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04 orange V--FST 700 W/stage 3 cams--Muzzy exhaust jet hotted--K&N filter w/outerwear-- 15- 1" holes in lid--Elkas on front--GT Thunder rear shock conversion--orange flamed shock pros-- Dalton overdrive clutch cover--VFJ Stage III clutch W/spacer--pink, blue, maroon & o/bl springs--Venforcer's HD tie rods--3/32 Fr & 3/32 R--VFJ UPP intake--Trail Tech computer--Trail Tech X bars with Trail Tech bar clamp--Ims 4.6 fuel tank--DG fat series bumper, grab bar, & A-arm gaurds--Pro Armor nerfs--Engine ice w/ thermostat removed--custom graphics (XS Graphics)--6* key--power madds--'05 modded rocker shafts--YFZ catch can--Custom Dynamics tail light--Tiny Tach--Custom shorty shifter--Spider grips--Reverse Override bypassed--Polished slides-- Shortened carb springs--needles shimmed .020"--Pro Armor foot peg ext's--+4 swingarm extention--24" Extremes on rear-- sand Stars on front for sand-- holeshots all around for trail Wifes: '07 black V--12 hole mod--twin air filter--pink spring--WLD OTZ secret exhaust mod--six pack rack--Sand Star's fr. & rear for sand--Stock holeshots for trail. Ride the Texas Panhandle area |
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#5 |
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Member
Feedback Score: 0 reviews
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Quote:
Quote:
If you own a sand car with a CBM built 402ci stroked ls2 and you say your side by side is fast I believe you. Enjoy it!
[/b] |
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#6 |
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Premium Member
Feedback Score: 3 reviews
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I know what you meant bro. I had a 427rwhp LS1/LS2 SS.
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KFX 800 AMR/ASR/Diamond/DG/Dynatek/Elka/Falicon/GT Thunder/JH Clutch/Muzzy Super Pro/WEB YFZ 450 CP/CCP/FCI/Fox Evol DSC/Fox Podium/Hiper/Houser/JD/Nmotion/REM/Team axle |
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#7 |
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Senior Member
Feedback Score: 0 reviews
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Good to hear Chase, now Im really debating on going with a standard bore with stage 2's or the 840 kit with the stage 3's. What kind of riding due you do, Im assuming dunes, since you have a sand rail. Im all PA mountains and woods and dont think I'll be able to use all the topend with the 840 and stage 3's
!
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2 TIME GNCC UTILITY UNLIMITED CHAMPION 2008 TERYX LE: FST 840, STAGE 3 CAMS, VDI, MUZZY EXHAUST, DALTON CLUTCH, VFJ ROLLER, ELKAS, THUNDERHAWK PERFORMANCE 2 SEAT RACE CAGE, DOOR BARS, BUMPERS AND BRACES, BEARD TSX SEATS, 5PT. CROW HARNESS, 14" CHROME DIABLOS, GBC GRIM REAPERS, PRO ARMOR SKIDS, TEAM GREEN PLASTIC 2008 TERYX: ORANGE MAIER PLASTIC, THUNDERHAWK PERFORMANCE 4 SEAT CAGE, BUMPERS, DOOR BARS AND BRACES, BEARD TSX SEATS, DOUGLAS SPIDERS, MAXXIS BIGHORN 2.0, VDI, THE FAMILY CRUISER!! |
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#9 |
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Member
Feedback Score: 0 reviews
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Quote:
Good to hear Chase, now Im really debating on going with a standard bore with stage 2's or the 840 kit with the stage 3's. What kind of riding due you do, Im assuming dunes, since you have a sand rail. Im all PA mountains and woods and dont think I'll be able to use all the topend with the 840 and stage 3's
![/b] |
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#10 |
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Senior Member
Feedback Score: 0 reviews
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Yeah I know Chase, if it was a quad it would be a no-brainer. But since this is getting a full roll cage and back seat, its going to be the family hauler in the woods, I leaning towards the standard bore kit. Ive had three of Mickeys motors and have been happy with everyone of them. Most happy with the last one, it made the most HP!
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2 TIME GNCC UTILITY UNLIMITED CHAMPION 2008 TERYX LE: FST 840, STAGE 3 CAMS, VDI, MUZZY EXHAUST, DALTON CLUTCH, VFJ ROLLER, ELKAS, THUNDERHAWK PERFORMANCE 2 SEAT RACE CAGE, DOOR BARS, BUMPERS AND BRACES, BEARD TSX SEATS, 5PT. CROW HARNESS, 14" CHROME DIABLOS, GBC GRIM REAPERS, PRO ARMOR SKIDS, TEAM GREEN PLASTIC 2008 TERYX: ORANGE MAIER PLASTIC, THUNDERHAWK PERFORMANCE 4 SEAT CAGE, BUMPERS, DOOR BARS AND BRACES, BEARD TSX SEATS, DOUGLAS SPIDERS, MAXXIS BIGHORN 2.0, VDI, THE FAMILY CRUISER!! |
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