my grizzly 660 can do 70+ mph ive had it clocked in at 70 going across a field

have pushed my 06 hawkeye to 50mph a few times with stock tires.recently put 25 inch mudlites and was going 47.5mph down the highway a couple of days ago.



sr

i have an 08 rancher es 420cc and i can get 56 out of it and can race the o7 honda foreman 500 and beat it at top end

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Drive it like you stole it!!

2006 Yamaha grizzly 660...tested with GPS unit (so is accurate for my wheeler) although it seems that no two run exactly the same....Stock=66mph(flat ground w/ tail wind..lol). With 28" tires and modified exaust...72MPH(same conditions)

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2006 Yamaha Grizzly 660
26" Bighorns
warn winch
custom skids
If it'll crawl back on the trailer U ain't done ridin yet!(winch it back on thats what the winch is for)

I get a kick out of these "heavily modded somehow get 40 mph over stock" yahoos on here. I had a heavily modded banshee years ago and I changed the gearing because we were doing a lot of road riding at the time and it would go between 80 and 85 depending on the weather. Let's clear something up yahoos, if you're going to increase the "top" speed of a machine you can really only do it four ways and two of them aren't really an option. 1. You can change the tranny for a higher gear (not really an option for most) 2. You can change the size of tires on the back (again not really an option do to the poor handling characteristics it will cause. 3. Mod the engine to create more RPM's this will help some but, you can only go so much more and it won't take it (you ever hold a banshee wide open then say to yourself " I think this thing needs to rev higher..................NO.......something will break). 4 is really a combination of modding up the engine and changing the sprockets. This is really the only real way to get more top speed out of a bike. When someone says they have a bike and put a pipe on it and jetted it now all of the sudden it's going 20,30, 40 mph faster, please just walk away because if you stay, what enters your ears from that point on will make your brain cells start to die faster than a case of cold bud on a Friday night.

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700 sportsman efi, 2500 lb warn winch, american eagle plow.

Previous machines:
89' mohave
89' banshee modified
92' yz 250
93' cr 250
94' zx 7r ninja
96' yz 250
99' yzf 400
99 seadoo xp limited
00' yzf 426

Raptor 660r moose jet kit, k&n, big gun exhaust, 1 tooth larger front sprocket. I got clocked and sited by township PD for 112 mph on it. stock i'm told is between 80-90mph

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Closed Casket Funerals Suck, Where A Helmet. HODGYKILLER TroubleBrothers.com

(WHO CARES)
most 500CC quades will hit 50 plus

What is your question good for anyway? It all comes down to optional equipment rider weight, and most importantly what kind of tires is on the quad???????

It's almost as stupid as seeing a 4x4 truck at our local drag strip, I know it's fun to do it but I would be more impressed to see how big of a hill it could climb etc, I/E doing a task it was made for.

Garman

64.7 gps mph on stock rzr with clutch spacer removed

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'08 polaris rzr

I have a Baja WD400 4X4 and I had it up too 57mph.
Fast for a 398cc motor and one that is heavy with 200 lbs person on it.

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TXATV

Case in point. LOL!

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700 sportsman efi, 2500 lb warn winch, american eagle plow.

Previous machines:
89' mohave
89' banshee modified
92' yz 250
93' cr 250
94' zx 7r ninja
96' yz 250
99' yzf 400
99 seadoo xp limited
00' yzf 426

ive had my foreman at 60 but thats really pushin it andnot in a trailer or on the truck

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07' Honda Foreman ES
26"Maxxis BigHorns on ITP SS108's
WARN XT30 with synthetic rope
03' ford F-250 Powerstroke diesel
06' fleetwood terry 32' 5thwheel

Mine goes a lot faster than I ever want to hit a tree, about 55 or so on a dirt road in 4-wheel-drive, with a cooler full of cold ones, a 5-gallon gas can and a 300 pound rider. Most of the time I can only do 15-20 on the trails, so top speed means very little to me.

If your quad reads the speed off the transmission or rear wheels, then your speedometer will read higher than the actual speed when you break traction. For several years Polaris read the speed of one of the front wheels so it doesn't matter if you do burnouts or if it slips a little going down the road. It reads the speed you're moving, and not how fast the rear wheels or transmission spin.

I LOLed at a couple of guys I met on the trail with modified Banshees. They both "think" they will go AT LEAST 90 mph, but don't have speedometers, have never rode next to a car, never used a radar, never used a GPS, etc. Friggin' yahoos know that it feels fast to them. They must be fast because they were haulin' @$$ when I passed them. It's like a lawn tractor passing a dirt-bike. I almost felt bad for them.

I saw another modified Banshee with about 3 inches of ground clearance. I stopped and talked to him and his friend who was on a Grizzly 660. When we took off I went first. I waited for a long time at the next stop sign then gave up on them. I think I was only doing 40-45 but his Mod. Quad couldn't handle the bumps and occaisional rock and my IRS just soaked them up. No matter what his "top speed" was, his "usable speed" or "rideable speed" on that trail was a fraction of mine on a lumbering utility quad with over a half-ton of combined weight.

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2008 Sportsman 500 EFI.
*New Polaris ATV number 5.
An American citizen by birth.
An American ATV by choice.

I've had my Praire 360 to 45 m.p.h. checking w/gps (no speedo) but whats funny is my 220 is faster (top end) than my 360 with equal weight riders, but the 360 accelerates faster, My father-in-law has a twin peaks 700 and I have had that pinned at 64 (according to its speedo). Zorro 700 is right, You have to make serious gearing mods and engine mods to go faster, I rode a Mojave that belonged to friend of mine and did some mods, overbore/cam/pipe/carb that helped it get up and go but the top speed didn't change untill we changed the gears, Its a fine line between under geared and over geared!

I have a moose tiny tach on the 220, about 8700 rpm is max (pinned) on a flat gravel road, but down a hill (pinned) I saw 9300, But I doubt those are any more accurate than factory speedo's. The 360 never turned more than 8200 in low range, even less in high.

Where do you find 120 Avgas?, 100LL is the only stuff I've seen and that is only a 100 motor octane/ and 130 aviation rich octane. 115/145 has been extinct for years!

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06 KAWI P360 4X4
02 KAWI B220

'07 Polaris 800 X2, 64 MPH.

My 350 warrior has done 59 maxed out thats with 103 octan gas and a sprocket change and smalled tires so...
thats with a Yamaha R6 next to me so that about the closest to a correct speed

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Digital Cowboys Car Club
1997 350 Warrior
Exhaust Ceramic Coated Head Pipe
Stage 1 Jets
Ported and Polished
Hotcams Stage 1 Cam
K&N Air Filter
Cobra Slip-On Exhaust
CDI box
Razr tires
"Dream as if you'll live forever. Live as if you'll die today"

I got to wrap out my 700EFI motor in the Cat the other day. Level ground, all the room I needed. Mine is the M4 model, so it's a Suzuki Kingquad motor.

I maxed at 64mph. Like someone else said- far faster than I care to hit a tree at.

Not sure why any of that matters though. I traded off a 170mph motorcycle for my quad. I only ever hit that speed a couple times, on the highway where it's strait and boring. In the sport bike scene someone is always asking 'what's the fastest' to which I reply, the bike I AM ON. I regularly crushed bigger, faster bikes simply by being a better rider.

Displacement isn't a big concern, much less so top speed, in any place worth riding. The twisty roads here never allow for more than normal road speeds (which is flying in the twisties). I never got my bike out of 3rd gear anywhere but a highway- so who really cares about top speed? No trail I've been on with my quad allows me to even remotely use all 700cc's. If I could get that sort of speed up, I'd find a better place to ride.

Even on a track racing MX, you're almost never at full tilt. So in my opinion top speed is about the most useless statistic for any machine. Especially machines in the Hunting, Farming, and Work subforum...........

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2008 Arctic Cat 700 EFI M4
2008 Arctic Cat 90 2x4

Home of the free, BECAUSE of the brave

I agree 100%. How fast do people go when they hunt, farm, and work, anyway? 5-10 mph? As I already stated, most of the trails I ride are at 15-20 mph. Many of the 3,000+ miles of trails in Michigan are like that. If I was trying to sneak up on game I would go slower.

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2008 Sportsman 500 EFI.
*New Polaris ATV number 5.
An American citizen by birth.
An American ATV by choice.

I totally think most guys are lying thru their teeth....I have a 2006 polaris outlaw 500....I wondered what my top speed was and tried it out the other day with a hand held gps....I got a top speed of 71 mph on pavement.....so when I hear about these guys saying their big utility atv's are going in the high 70's across a field they are full of $hit!

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Polaris 500 Outlaw

before i got 26 mudlites i topped out at 58 or 59 mph and that was on the street now i go about 45mph.which is fine.not made for speed.ive put mine threw some stuff,climbing hills ,in some serious mud and water.

I haven't GPS'd my machine. Just going off what is indicated on the speedo. Don't know how bad those are. On sport bikes they are often way off at high speeds. I GPS'd my TLR at 170mph. And that's at this altitude, but with some mods on it.

At typical speeds though I think the speedos ought to be fairly accurate.

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2008 Arctic Cat 700 EFI M4
2008 Arctic Cat 90 2x4

Home of the free, BECAUSE of the brave

i agree with outlaw beast 100% i dont kown of many heavy utilities that will do over 70 plus mph excepth for the renegade 800 or the thundercat , my uncle thinks his sportsman 700 will give my kfx 700 w complete dual procircuts, jetted, filtered,ect will give me a run for my money we have yet toi race but com'on who due you think will win

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2003 250 ex [bro's ride]
moose bars, dirt dog tires, nerfs
1997 polaris xplorer 400 [dads]
-winch, plow
2004 kawaski kfx 700 [mine]
-holeshots, dual procircuts ,nerfs , full skids
1988 honda fourtrax 4wd
-mudlights,250ex exh,uni filter (my $400 beater)