gutt less cat

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gutt less cat - 8/24/2008 6:38:41 PM

TWS

Posts: 28
Joined: 8/24/2008
Status: offline

i need help 07 650H1 26" mudlites,slide mod, hmf exhaust, jetted(135 & 45), amr racing coil, k&n, epi clutch kit, daynatek cdi. did all this because it was SLOW and had no power in mud. top speed is 50 mph, barely pulls the wheels up. my nephew has the same machine and he smokes me in a race. if i can't get this right i'm selling.

new to this forum

Post #: 1

RE: gutt less cat - 8/24/2008 7:04:34 PM

GWC

Posts: 21236
Joined: 5/7/2004
From: Kansas
Status: offline

I would say start with your jetting and making sure its correct. only a couple cats i know of that run that small of a main jet. i have a 148dj, needle on the 3rd knotch and a 42 pilot.

so what is all yours set at..?? do you have a snorkel as well..?? 2" ?

_____________________________

08 650H1 LE
Warn 3.0
Snorkeled,Rad relocated
Custom mounted gauges
muffler tweaked
Dynojet, slide mod, spring clipped
Custom clutch kit, 4.0 gears
2" lift, HL springs, HL spacers
"G" axles
29.5 Laws on custom LE wheels
30" MLs on Black Castle Roks
05 500m
Dynojet,slide mod spring clipped
muffler tweaked
Hidden snorkel
HL temp gauge
26" 589MTs on ITP type 6s
Hard.Pack.Arctic.Cat

(in reply to TWS)

Post #: 2

RE: gutt less cat - 8/24/2008 7:12:03 PM

bustedknuckles

Posts: 3235
Joined: 12/7/2007
From: over here
Status: offline

Too much pilot jet for sure.

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click here and buy my suburban

"APE AXLE"

STEELHORSES

CATVOS

08 ThunderCat
08 650H1

----------------H.P.A.C.----------------
It all seems hardpack when you ride a CAT

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Post #: 3

RE: gutt less cat - 8/24/2008 7:15:31 PM

GWC

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From: Kansas
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also where do you live, the elevation is important as well..

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Post #: 4

RE: gutt less cat - 8/24/2008 7:25:41 PM

TWS

Posts: 28
Joined: 8/24/2008
Status: offline

live in minnesota, the jet kit is what came with my hmf muffler. that was there recommendation, it came with a 140 & 145 tried the 145 but it seemed sluggish slow to hit. i don't know anything about needle with knotches, the factory pilot was a 40 , main 132

(in reply to GWC)

Post #: 5

RE: gutt less cat - 8/24/2008 7:33:53 PM

TWS

Posts: 28
Joined: 8/24/2008
Status: offline

my nephews 650 is bone stock

(in reply to TWS)

Post #: 6

RE: gutt less cat - 8/24/2008 8:49:25 PM

GWC

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From: Kansas
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what year is the other 650h1..???

what size tires do you have and what size are his..??

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Post #: 7

RE: gutt less cat - 8/24/2008 9:10:54 PM

TWS

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Joined: 8/24/2008
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his is a 08 with stock 25" tires
mine is 07 with 26" mudlites with alum.rims

(in reply to GWC)

Post #: 8

RE: gutt less cat - 8/24/2008 9:18:15 PM

GWC

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Joined: 5/7/2004
From: Kansas
Status: offline

Was just wondering, from what i can tell the 08s are faster then the older 650s.. why i dont know i ride with Sodbuster and he has a stronger running 06 with all the same mods as mine and he will even tell you mine is on a different power level and i cant figure out what the difference is. I have heard this from others as well

It would be good if anyone else with a 08 650 vs a older one would pipe in and see if they have a similar story.

as of right now this is just my guess (that somthing is different with the 08s vs the older ones) i wish we could narrow done a good reason for this.

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Post #: 9

RE: gutt less cat - 8/24/2008 9:21:24 PM

bustedknuckles

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Joined: 12/7/2007
From: over here
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My 08 with a 10" lift could walk off from an 07 with a 2" lift. both running 29.5"s. Only difference was I had 4.0's and He had 3.6's.

_____________________________

click here and buy my suburban

"APE AXLE"

STEELHORSES

CATVOS

08 ThunderCat
08 650H1

----------------H.P.A.C.----------------
It all seems hardpack when you ride a CAT

(in reply to GWC)

Post #: 10

RE: gutt less cat - 8/24/2008 9:25:03 PM

bulldogmech77535

Posts: 889
Joined: 8/20/2007
From: Old River, Texas
Status: offline

Each bike seems to be different. I have an 06' that runs liks a scalded ape. I have not raced them but I believe it would give either of my 08's a run, and the 06' is stock except for 08" laws and snorkels.

_____________________________

08' 650 H1
custom radiator relocation and snorkels
31" Laws on LE wheels
Secondary Clutch Mod
4.0's installed
8" catvos lift---Thanks Steel Horses and CATVOS

----------Hard Pack Arctic Cats----------
It all seems hardpack when you ride a CAT

(in reply to bustedknuckles)

Post #: 11

RE: gutt less cat - 8/24/2008 9:28:41 PM

GWC

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From: Kansas
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it would be good to figure out why, because his bike with those mods should be able to smoke a stock quad..??

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Post #: 12

RE: gutt less cat - 8/24/2008 9:30:54 PM

lonegunman

Posts: 906
Joined: 12/2/2001
From: CADDO PARISH,LOUISIANA
Status: offline

my 2007 H1 runs like a scalded dog and it is bone stock except for the 28" mudlights and the snorkel. it aint even been re-jetted

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lonegunman

TEAM TOXIC MOTORSPORTS
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2001 arctic cat 300 4x4
lift kit
26" dirt devils
rokstar wheels
snorkeled
jetted
ion halogen driving lights
2500 warn winch

2007 a/c 650 H1-RED
LE wheels
front brush guard
LE rear bumper
28 mudlites
warn winch

H.P.A.C.

It all seems hardpack when you ride a cat

(in reply to bulldogmech77535)

Post #: 13

RE: gutt less cat - 8/24/2008 9:32:40 PM

TWS

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Joined: 8/24/2008
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well just think of how slow this was before the mods. and i'm still not as fast as stock. i'm lost the only thing i know of is to take it to a clutching specialist. if that don't work it's gone. my 400i is more fun to ride on trail and mud

(in reply to GWC)

Post #: 14

RE: gutt less cat - 8/24/2008 9:36:31 PM

bulldogmech77535

Posts: 889
Joined: 8/20/2007
From: Old River, Texas
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What about the CDI, have you tried reinstalling the stock one and see if that makes a difference???? Have you checked the carb vent line, wifes got a little sluggish and found that it had gotten plugged with mud.. Could the automatic choke be stuck??

< Message edited by bulldogmech77535 -- 8/24/2008 9:38:09 PM >

_____________________________

08' 650 H1
custom radiator relocation and snorkels
31" Laws on LE wheels
Secondary Clutch Mod
4.0's installed
8" catvos lift---Thanks Steel Horses and CATVOS

----------Hard Pack Arctic Cats----------
It all seems hardpack when you ride a CAT

(in reply to TWS)

Post #: 15

RE: gutt less cat - 8/24/2008 9:39:53 PM

TWS

Posts: 28
Joined: 8/24/2008
Status: offline

no i haven't, but did think about that. should i change jetting again

(in reply to bulldogmech77535)

Post #: 16

RE: gutt less cat - 8/24/2008 9:41:11 PM

bustedknuckles

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Joined: 12/7/2007
From: over here
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You have a problem some where. My buddies 07 H1 has 29.5 laws a 146 main jet (no kit), 2" snorkels, and an HMF and will wheelie with the push of the throttle. (no clutch work and stock gears)

_____________________________

click here and buy my suburban

"APE AXLE"

STEELHORSES

CATVOS

08 ThunderCat
08 650H1

----------------H.P.A.C.----------------
It all seems hardpack when you ride a CAT

(in reply to bulldogmech77535)

Post #: 17

RE: gutt less cat - 8/24/2008 9:41:42 PM

GWC

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Joined: 5/7/2004
From: Kansas
Status: offline

its crazy that one would have so much more power then another one...

when i tell people how fast mine is no one ever believes me..

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Post #: 18

RE: gutt less cat - 8/24/2008 9:43:35 PM

bulldogmech77535

Posts: 889
Joined: 8/20/2007
From: Old River, Texas
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Check the plug and see what it looks like, this will tell you if you are running lean or rich.... There is a very good write up on jetting in the sticky at the top of the forum...

_____________________________

08' 650 H1
custom radiator relocation and snorkels
31" Laws on LE wheels
Secondary Clutch Mod
4.0's installed
8" catvos lift---Thanks Steel Horses and CATVOS

----------Hard Pack Arctic Cats----------
It all seems hardpack when you ride a CAT

(in reply to bustedknuckles)

Post #: 19

RE: gutt less cat - 8/24/2008 9:49:22 PM

cat500mudder

Posts: 223
Joined: 3/29/2008
From: Tifton, GA
Status: offline

I was having the same trouble earlier today. When i got my 650 i noticed it had the secondary mod already done but the belt was very loose. So i replaced the belt and it still slipped and was loose, after I took the secondary off and notice the spring was in the #4 and letter C. It was supposed to be in A, so instead of making the spring tighter they (whoever had it before me) actually loosened it. Now it takes off like a rocket

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'07 Arctic Cat 650 H1
'07 Arctic Cat 500, SOLD!!
'04 Arctic Cat 500 TRV
'01 Honda 400Ex

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Post #: 20

RE: gutt less cat - 8/24/2008 9:53:05 PM

Jason

Posts: 89
Joined: 2/25/2008
From: Grenada, Ms
Status: offline

i just looked up the elevations for Mn and i think the stock pilot would be fine .need more info are their any other mods like snorkels, high flow air filter etc. if not keep the same main jet you put in, put your stock pilot jet mixture should be close in stock setting. thats where i would start. running that 45 pilot it should be running rich.

_____________________________

08 650 h1
27'' swamp lites
snorkels
jetted
slide mod,clipped spring
speedwerxs pipe
secondary mod

(in reply to TWS)

Post #: 21

RE: gutt less cat - 8/24/2008 9:55:40 PM

TWS

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Joined: 8/24/2008
Status: offline

what is your top speed after changing that , someone else told me it sounds like the clutch is not engaging right with such a low top speed

(in reply to cat500mudder)

Post #: 22

RE: gutt less cat - 8/24/2008 10:00:44 PM

TWS

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no snorkle, but i have a k&n filter.

(in reply to TWS)

Post #: 23

RE: gutt less cat - 8/24/2008 10:03:26 PM

GWC

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From: Kansas
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thats why it does not take a big main jet then, the snorkel would change that. i would say go back to the stock pilot and then see how it runs, if there to rich it makes the motor lazy to rev up..

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Post #: 24

RE: gutt less cat - 8/24/2008 10:05:07 PM

wetKITTY08

Posts: 760
Joined: 3/21/2008
From: Robert,Louisiana
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when i had the hmf on my 08 it wasn't jetted correctly at all but it was close enough were it would run just crappy like and i still smoked my friends 07 model.I think that you need to check your clutching setup and your belt,if the jet was bad enough to make you that slow you would know that it was jetting especially with the hmf because it would make horrible pops and would shoot flames out when you let off the gas after full throttle runs.i think its gunna be a simple problem that a good mechanic should have no proplem solving if he had your bike to look at.

_____________________________

I Practice Safe Riding I Pull Out Every Time!

08 650 H1
12" polished SS 106s
12" MSA Torx
28" S-Backs(sold)i'm ridin stockers at the moment
HMF
Radiator Relocate
Snorkles
Dyno Jet
Mods to come:
Filter
Clutch Kit
4.0 Diffs
4"CATVOS
29.5s or 31" Outlaws

07 Honda 420 rancher
the hunters special

83 Honda Big Red
Can't destroy this **** thing
no matter what i do.

(sold)99 Honda 450 Foreman 4x4

http://www.myspace.com/dwanger08

(in reply to TWS)

Post #: 25

RE: gutt less cat - 8/24/2008 10:09:35 PM

TWS

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Joined: 8/24/2008
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its always popped and backfired , from new, so that didn't set any alarms off.

(in reply to wetKITTY08)

Post #: 26

RE: gutt less cat - 8/24/2008 10:13:17 PM

Jason

Posts: 89
Joined: 2/25/2008
From: Grenada, Ms
Status: offline

still should be ok with stock pilot jet,may have to come out on mixture screw if you go out three turns need to go up a size on pilot. check out the helpful tips section alot good info on jetting and how to read the spark plugs.

_____________________________

08 650 h1
27'' swamp lites
snorkels
jetted
slide mod,clipped spring
speedwerxs pipe
secondary mod

(in reply to TWS)

Post #: 27

RE: gutt less cat - 8/24/2008 10:13:50 PM

wetKITTY08

Posts: 760
Joined: 3/21/2008
From: Robert,Louisiana
Status: offline

yeah but i mean loud popping and flames sometimes,if it is popping alot and making big backfires then your jetting is off.if its just minimal popping and not to much backfiring at all then you should be good.when my jetting was off there was a terrible dead spot in the motor and when i hammered on it,it would fall on its face for a couple seconds and be dead to the world then blast off like i had NOS and keep pulling

_____________________________

I Practice Safe Riding I Pull Out Every Time!

08 650 H1
12" polished SS 106s
12" MSA Torx
28" S-Backs(sold)i'm ridin stockers at the moment
HMF
Radiator Relocate
Snorkles
Dyno Jet
Mods to come:
Filter
Clutch Kit
4.0 Diffs
4"CATVOS
29.5s or 31" Outlaws

07 Honda 420 rancher
the hunters special

83 Honda Big Red
Can't destroy this **** thing
no matter what i do.

(sold)99 Honda 450 Foreman 4x4

http://www.myspace.com/dwanger08

(in reply to TWS)

Post #: 28

RE: gutt less cat - 8/24/2008 10:18:15 PM

TWS

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Joined: 8/24/2008
Status: offline

i'm at 2 turns out with a 135main and 45pilot i don't think the popping is bad but it will do it until i stop

(in reply to wetKITTY08)

Post #: 29

RE: gutt less cat - 8/24/2008 10:21:18 PM

GWC

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Joined: 5/7/2004
From: Kansas
Status: offline

if it pops like a glass pack on a truck that is normal becuase of the open free flowing muffler but if its back fireing and popinf very loud with fire then that is not good and is to lean.

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