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01-17-2012, 06:15 AM
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Junior Member
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Member #11206
Join Date: Jan 2011
Location: Louisiana
Posts: 5
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Suggestions please!
I have a 2004 ranger 500 that I will be rebuilding the top end on. I would like more bottom end and some top end would be nice also. The bottom end is the most important, I do realize there is a trade off to some degree. Any suggestions? Thanks.
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01-23-2012, 03:34 AM
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Junior Member
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Member #11206
Join Date: Jan 2011
Location: Louisiana
Posts: 5
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Wow, a whole week went by with no help on this. Guess it's time to find a better forum.
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01-23-2012, 03:43 AM
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Extreme ATV Enthusiast
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Member #11907
Join Date: Feb 2011
Location: PA
Posts: 263
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Quote:
Originally Posted by cov62431
Wow, a whole week went by with no help on this. Guess it's time to find a better forum.
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Other than changing the clutching setup, you still have a 500 trying to move over 1000 lbs.
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01-23-2012, 04:02 AM
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Polaris ATV Junkie!
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Member #11494
Join Date: Jan 2011
Location: Rhode Island
Posts: 1,267
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Agree with dwhst. Clutching is a much easier way to gain bottom end IMO. Going to be tough to gain bottom and top end at the same time though. I'd call a clutch company (I don't advocate any particular one) and tell them what you're looking for and maybe they could give you some ideas 
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2010 Sportsman 500 H.O.
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01-23-2012, 04:49 PM
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Extreme ATV Enthusiast
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Member #2821
Join Date: Jan 2010
Location: North Pole, AK.
Posts: 424
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Quote:
Originally Posted by cov62431
Wow, a whole week went by with no help on this. Guess it's time to find a better forum.
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I haven't seen anything in the way of engine parts to hotrod a 500. With as long as Polaris has been using this engine if there were hotrod parts it would probably be common knowledge. I put a K&N filter and a Biggun exhaust on mine but I cant say it did anything in the way of bottom end. Seems a little snappier and sounds better in my opinion but nothing to rave about. I think your best bet as mentioned is re clutching. If you do find another forum that has some info on performance for a 500 pass it along. There are lots of people here who would be interested. I think you didn't get any responses for a while because for the most part people on this forum avoid being negative and I don't think anyone wanted to shoot you down. Who knows maybe someone knows how to hotrod these things. We can hope.
__________________
04 Sportsman 700 efi black and silver, Big Gun Evo exhaust and tuner,3 light mod,reverse override,bar and thumb warmers,Moose pregressors,Polaris heavy duty front springs and gas shocks, Black Rock wheels,Polaris(warn) winch and plow, 2 inch receiver, Filtermag.
08 Sportsman 500 efi Browning camo, Big gun Evo exhaust and tuner,3 light mod,reverse override,bar and thumb warmers,Moose pregressors,Polaris(warn) winch, Cycle Country plow, 2 inch receiver, Black rock wheels,Filtermag
00 Magnum 325 not very HO green, rolled wrecked and rebuilt,heated grips and thumb warmer, Filtermag.
88 Yamaha Warrior 350 my first
88 Honda Foreman 350 takes care of the yard work
91 Suzuki DR 350 solves the urge to ride wheelies and catch big air
05 Kawasaki KLR 650 scratches the paved road itch
92&93 Indy 500 EFI SKSs takes care of the need to get away from home in the winter
04 Yerf Dog spiderbox buggy was supposed to be for the kids but I find I cant quit tinkering with it
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01-24-2012, 03:58 AM
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Junior Member
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Member #11206
Join Date: Jan 2011
Location: Louisiana
Posts: 5
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Thanks guys for the input. I inherited this ranger from my father, he upgraded to an 800. The top end needs rebuilding, so I was entertaining the thoughts of adding a cam, some head work, and depending on the cylinder, maybe boring. I'm not planning on getting to much into boring if I don't have to. I was hoping that maybe some others have already done this and could give some feedback on if it actually helped or not. Wouldn't want to spend the money for little or no gain. I probably should have stated that first, I was hoping that some opinions would have helped me decide. Thanks again for your replies.
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01-24-2012, 06:38 AM
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Polaris ATV Junkie!
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Member #20681
Join Date: Nov 2011
Location: Dallas, TX
Posts: 513
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+1 on the clutching. I am have ordered a $25 spring from EPI to modify just the primary clutch. Should make a big difference. (It did on my trailblazers a couple years ago).
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01-24-2012, 07:49 AM
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Extreme ATV Enthusiast
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Member #11907
Join Date: Feb 2011
Location: PA
Posts: 263
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If the top-end needs a rebuild, you could always get the head cut down while you have it apart to give you a bump in compression.
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01-24-2012, 09:24 AM
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Polaris ATV Junkie!
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Member #9763
Join Date: Dec 2010
Location: wichita falls, tx
Posts: 700
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Clutching will assist you in what you are wanting. Quad shop customs can make these things pretty mean with some machined weights, spring, and a helix for the secondary.
__________________
2009 SPORTSMAN 800 H.O.
RUBBER DOWN CUSTOMS 2" LIFT
EPI HD SPRINGS
29.5 S/W OUTLAWS ON ITP SS312
1.5" SPACERS
GORILLA REAR PROP SHAFT
GORILLA AXLES
SUPER ATV BILLET CAGE IN FRONT DIFF.
SUPER ATV ARMATURE
WELDED LOW GEAR IN TRANSMISSION
QUAD SHOP CUSTOMS CLUTCHING
TRIANGLE ATV STEALTH SNORKLE
TRIANGLE ATV REAR RACK PLATE WITH AMMO CANS
RIDE N'REST BACKREST W/FROSTY BEVERAGE HOLDER
K&N FILTER
PURE POLARIS FRONT AND REAR BUMPERS
POLARIS FRONT AND REAR RACK EXTENDERS
POLARIS 3500 WINCH
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02-16-2012, 08:52 PM
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Polaris ATV Junkie!
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Member #23274
Join Date: Feb 2012
Location: Reno,Nev.
Posts: 1,025
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I'd check with some of the cam supplyers for the 4 stroke dirt bikes, maybe they can cut one for you. But like the others have said it's hard to have both worlds. ALOT OF TOP END OR ALOT OF LOW END,the two don't mix.
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