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topgun
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Subject: Current HP Ratings for the Big Bores | 2007-06-26 12:32:10 |
Posts: 3080
Western, Pennsylvania , USA
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Here are the current HP ratings for the Big Bores. The info is from 2008-2009 certifications in CA. Most were in KW so I converted to HP as that is what most of us reference. Seems to be pretty accurate based on the machine reviews with the exception of the Cat. Not sure why it is down on power compared to the King since it is the same engine. Maybe the restrictive airbox setup??
These numbers are measured at the crank, not the rear wheels. If you would put your machine on a dyno, you would get a lower number due to losses from the tranny setup.
HP Ratings from Carb, listed highest to lowest hp.
Polaris 850______69.06 hp
Can Am 800 R____67.05 hp (updated 2/13 to 70.5 hp)
AC 1000_________65.84 hp
Can Am 800______61.7 hp
Can Am 650______55.4 hp
Brute 750 Carb____50.1 hp
Brute 750 EFI_____49.8 hp
King Quad 750____49.6 hp
AC Mud Pro_______49.06 hp
King 700_________48.5 hp
Polaris 800_______48.3 hp
Brute 650 I________46.3 hp
Grizzly 700________45.6 hp
Polaris 700_______44.3 hp
AC 700 H1_______41.4 hp
AC 700__________41.4 hp
Brute 650 ________41.4 hp (solid axle)
Grizzly 660_______40.9 hp
Can Am 500______40.4 hp
AC 650 H1_______39.3 hp
Rincon 680_______38.5 hp
Grizzly 550________36.9 hp
King 450_________36.7 hp
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08 Can Am Renegade, X Machine Shocks, Ricochet Skids, PRP stabilizer, Day Light, Reverse Lights, Can Am Handguards, Ceramic Coated Exhaust and Shields, BRP Bag, Direction 2 Molded Flares.
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Toyeboy
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Subject: Current HP Ratings for the Big Bores | 2007-06-26 14:33:07 |
Posts: 540
Davison, MI
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why is the AC 700 7 horsepower lower than the KQ? it's the same motor isn't it?
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05 King Quad 700 EFI (Green)
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rafi sagiv
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Subject: Current HP Ratings for the Big Bores | 2007-06-26 18:06:54 |
Posts: 328
atlanta, Georgia , USA
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wonder why the rincon is the 650cc and not 675cc? it may be an old chart?
and brut carb has mor hp then the efi? 
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2005 yellow, yoshi pipe, twin air, warn 2500, 27" super swamper vampire, itp type 7, pc3, madd guard.
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RENO
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Subject: Current HP Ratings for the Big Bores | 2007-06-26 20:03:56 |
Posts: 7742
Grand Junction, Colorado , USA
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Good report topgun CanAm top of the heap. Rotax
Thanks for taking the time to convert to HP.
Reno
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Reno's Pic's “The trail is the thing, not the end of the trail. Travel too fast and you miss all you are traveling for.”'A government big enough to give you everything you want, is strong enough to take everything you have.' -Thomas Jefferson
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topgun
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Subject: Current HP Ratings for the Big Bores | 2007-06-26 20:10:10 |
Posts: 3080
Western, Pennsylvania , USA
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My mistake on the Rincon. It was the 680. The info is from 2007 and 2008 so it is new and up to date. The Kawi, the numbers are within tenths so no biggie. Probably runs smoother and starts better with the EFI. As for the Cat, as I mentioned above, maybe the airbox? If you have ever seen the thing, that could be the problem. There are actually 2 boxes connected by a hose. My neighbor has one, seen it first hand.
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08 Can Am Renegade, X Machine Shocks, Ricochet Skids, PRP stabilizer, Day Light, Reverse Lights, Can Am Handguards, Ceramic Coated Exhaust and Shields, BRP Bag, Direction 2 Molded Flares.
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firefighterjosh
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Subject: Current HP Ratings for the Big Bores | 2007-06-26 21:59:55 |
Posts: 2688
Northern, Indiana , USA
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The Can am almost makes as much power as my old geo spectrum 
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2006 King Quad 700 - For Sale and Stock :(
04 R1 Rhino - New Project
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StupidNewbie
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Subject: Current HP Ratings for the Big Bores | 2007-06-26 22:34:54 |
Posts: 1620
Grande Prairie, Alberta , Canada
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And thats with conservative tuning. Amazing how far we have come.
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2007 Red Grizz 700FI EPS, EPI Clutch Kit, PowerMadd Hand Guards with Wrap Arounds, 27" 589s, 1.5" Wheel Spacers, 2x2" Airbox Snorkels, 2" CVT Snorkels. Gorilla Front Axles.
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simpson9999
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Subject: Current HP Ratings for the Big Bores | 2007-06-26 23:54:38 |
Posts: 10
grande prairie, Alberta , Canada
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yea except for the fact that are trucks still get 14 mpg and gas costs twice as much 
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2006 king quad 700 front and rear bumpers warn winch 26" mudlites hand thumb warmers twin air
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Buddy Wasisname
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Subject: Current HP Ratings for the Big Bores | 2007-06-27 00:28:24 |
Posts: 903
ignooknook, Nunavut , Canada
Banned User
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i really don't believe the king has 48 hp may be at the crank but at the rear wheels it feels like 30hp. may be with the vdi but man my buddy smokes me with his 650 bomb. top end i will hold on but for the first bit i am silly looking.the king is held back from showing what it has to offer. grampee 
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 Don't leave your profile blank, tell us what you ride!
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007 black king
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Subject: Current HP Ratings for the Big Bores | 2007-06-27 08:21:44 |
Posts: 931
Bland, Virginia , USA
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All measurements are at the crank is what it says.It would be nice to have 48 hp. at wheels.Maybe kingforce has it with nos. ! 
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2006 Black 700 King [VDI ] BIG Injector, YFZ front shocks ,IAT relocated, ,Twin Air , 18 gram rollers, yellow spring ,coop 45 mod, 2 shims coops fixed sheave mod grease zerks ,custom front brush guard, Power Madd hand Guards ,,27" Zillas on SG aluminum wheels heated grips champion 2000 lb winch kimpex rear bag ATV Logic hand mitts
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Mikeyboyesq
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Subject: Current HP Ratings for the Big Bores | 2007-06-27 13:46:21 |
Posts: 1163
Conroe, Texas , USA
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Topgun,
Good post! ...but I have to say it looks very familiar? Hmmm...yep, it looks strikingly similar to my thread dated June 21st and posted here 
Happy trails...:)
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Mike...FST Twin Peaks 800 / made 72.7 RWHP on a Superflow Dyno
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engie
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Subject: Current HP Ratings for the Big Bores | 2007-06-27 14:55:54 |
Posts: 519
jackson, Mississippi , USA
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That's way too big of difference between the KQ and AC, IMO. I'd think it would be more along the lines of what VDI discovered(1-2hp difference, if that)...
48 shouldn't be that hard to get out of the rwhp once the VDI is available  . I know if I'm not in the low/mid 50s, I am going to be pretty upset!
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453cc Eiger Auto mudracing bike
I now do wideband EFI tuning! Contact me for more info!
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topgun
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Subject: Current HP Ratings for the Big Bores | 2007-06-27 17:48:11 |
Posts: 3080
Western, Pennsylvania , USA
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Mikeyboyesq, didn't see your thread but a similar one was posted last year in this section also. This was between Reno and myself. Was looking for some 2008 Suzuki info, the Carb site came up, and so I just compiled this chart in the process with the data I collected. I've got copies of the original sheets that the numbers came from in front of me. If you note, my numbers do not match yours exactly, must of used a different convertor , not even the same exact machines. Good job on your thread but I did not copy it. Haven't been to the Praire section for a long time, would never of seen it without mention. It is kinda funny though they appeared so close together. Part of my looking when at Carb was to see how much difference there was between the Brute carb and EFI.
On the Cat, remember, Lyle has run the 700 from the beginning with the airbox modified and not stock. Could be an error on Carb's part but I double checked their numbers several times to be sure I had what was written posted. As for the 48 hp, maybe with your mods, but the average Joe with a pipe, filter, and VDI will not see that at the rear wheels.
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08 Can Am Renegade, X Machine Shocks, Ricochet Skids, PRP stabilizer, Day Light, Reverse Lights, Can Am Handguards, Ceramic Coated Exhaust and Shields, BRP Bag, Direction 2 Molded Flares.
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engie
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Subject: Current HP Ratings for the Big Bores | 2007-06-27 18:37:15 |
Posts: 519
jackson, Mississippi , USA
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on the 48rwhp number, I was going on the fact that with VDI, pipe, and filter should get people into the 41-44 range on the Kings...Throw in the right snorkle setup and/or cams and 48rwhp should be a done deal,  .
I find those carb numbers interesting as well...I would say they were incorrect, but the 700 should be 3-5rwhp above the 650H1 as well, which is not far off. So, I just did a little research trying to find a consistent source for the dynonumbers. I looked at HMF's forum, which posts dynosheets for both atvs although HMF's dyno appears low on the HP rating, at least it is consistent.
Kingquad - 27.7rwhp stock to 33.1 with pipe and programmer
Cat700 - 27.4rwhp stock to 30.6 with pipe and programmer
An interesting analysis that definately gives credibility to the king having a far more restrictive stock exhaust...what do you guys think?
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453cc Eiger Auto mudracing bike
I now do wideband EFI tuning! Contact me for more info!
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RENO
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Subject: Current HP Ratings for the Big Bores | 2007-06-27 18:43:40 |
Posts: 7742
Grand Junction, Colorado , USA
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Mikeyboyesq, Topgun.
All I got to say is "great minds" think alike
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Reno's Pic's “The trail is the thing, not the end of the trail. Travel too fast and you miss all you are traveling for.”'A government big enough to give you everything you want, is strong enough to take everything you have.' -Thomas Jefferson
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Toyeboy
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Subject: Current HP Ratings for the Big Bores | 2007-06-27 21:46:08 |
Posts: 540
Davison, MI
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The BF 750 might only be ~2hp more than the King, but it stock form it feels more like 10hp difference, hopefully the copperhead will help make 48 horses feel like that much...it's that snappy power from the start that the King lacks..
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05 King Quad 700 EFI (Green)
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Mikeyboyesq
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Subject: Current HP Ratings for the Big Bores | 2007-06-27 22:30:32 |
Posts: 1163
Conroe, Texas , USA
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Topgun,
No problem...I'm sure you'd draw the same conclusion that I did if someone else posted a nearly identical thread within a week of your post! lol
The thing that caught my attention from these peak HP comparisons was that the Can Am 650 had more peak HP than the BF750...I wasn't expecting that since the BF750i should be able to take a Can Am 650 in a drag race (stock vs stock). But of course, Peak HP at the crank is not exactly the best measurement of how fast these quads will go...peak HP is just a tiny snapshot of what the motors produce and doesn't tell the whole story of how it performs. It would be more useful to see a dyno sheet on each motor to see what rpm they make peak HP and how well they hold that power across the powerband. Actually, I'd rather see these numbers at the rear wheels as that has more meaning in the real world.
Happy trails...:)
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Mike...FST Twin Peaks 800 / made 72.7 RWHP on a Superflow Dyno
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RichOx
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Subject: Current HP Ratings for the Big Bores | 2007-06-28 00:18:03 |
Posts: 475
Lloydminster - N53° 15.49’ W110° 00.51’, Alberta , Canada
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Where's the BF650 sit I wonder?
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His: '06 King Quad (Green), 2500lb Warn Winch, 26" MudBugs, VDI, Dalton Clutch Kit, Twin Air Kit, NGK Iridium Plug, 1.5" Rear Spring Spacer Mod, 2.1mm Coop45 Shim Mod, Coop45 Roller Plate Mod, Magellan Explorist 500...Hers: '07 Polaris Sportsman 500LE (Green)
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Mikeyboyesq
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Subject: Current HP Ratings for the Big Bores | 2007-06-28 00:41:30 |
Posts: 1163
Conroe, Texas , USA
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RichOx,
If you look at the list I put together (see the link that I posted in my first post above), I noted the 2008 BF650sra has 41.4 peak HP.
Happy trails...:)
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Mike...FST Twin Peaks 800 / made 72.7 RWHP on a Superflow Dyno
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Jakescronje
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Subject: Current HP Ratings for the Big Bores | 2007-06-28 04:39:55 |
Posts: 29
Port Elizabeth, South Africa
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Dynoed my Grizzly 700 last night and got 45hp on the rear wheels. That is with EXTENSIVE mods.
Fully Open airbox mod,HMF pipe,Dobeck gen2,Wiseco 11:1 high comp piston,Stage 1 Raptor 700 Hotcam,Ported & Polished head,Dalton Clutch kit. On the same dyno a LTR450 with pipe,airbox mods,cherry bomb and dynoed properly got 48hp. REAR WHEEL POWER IS WHAT REAL POWER IS !!! :)
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07 Grizzly 700 with a few mods :)
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