View Poll Results: ZR 900SP EFI or Carbed
EFI 19 70.37%
Carbs 8 29.63%
Voters: 27. You may not vote on this poll

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Old 09-06-2006, 12:26 AM   #1
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Hello All

Great Forum you have here and im glad to be a member

(first post and i have a poll )

I have been out of the snowmobile scene for a few years now and im getting the itch back now, i had a 1994 Polaris 800 Storm from 1995-1999 but sold it due to lack of use.

Anyway i have been shopping around and i have come to the conclusion that the 2004 ZR900 SP is what i want!!!

now the 2 differing SP versions carbed and EFI......what would you pro's reccomend??

never had a EFI sled before and was wondering if it limits the modifications (IE Pipes, Porting etc etc) you can do to them?

now im not totally ignorant and have found the search function but just wanted a better educated opinion on what i should focus my shopping on.

thanks
Dave
Sudbury, Ontario
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Old 09-06-2006, 01:16 AM   #2
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Having a carbed sled makes it easyer to do mods such as piping and many other others such as a big bore kit. When i was looking into getting a zr 800 i was looking at an efi and i just felt it would limit the things i could do to the sled but this is just my opinion.
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Old 09-06-2006, 07:30 AM   #3
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with a boondocker box the sky is the limit and you dont get gas on you making adjustments.rode a 990efi(04 900)last year pretty impressed.i have an 04sp carbed with pipes porting the works. my engine guy built the 990 and i would say the efi is nice once you learn the boondocker box. i also have an 04 700 fcat with a big bore 800 and other goodies with the box for adjusting.
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Old 09-06-2006, 07:41 AM   #4
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you will also want the 10.4" conversion for the driven clutch.
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Old 09-06-2006, 08:23 AM   #5
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Go with the EFI.
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Old 09-06-2006, 09:36 PM   #6
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Talking

Thanks for the replies guys

10.4" conversion for the driven clutch....gonna see about searching for some more info on that.

keep the votes and replies comming please
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D&D Power Breather
Holtzman Vari-Flow
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Westach Water Temp Gauge
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ACT Front and Rear Clicker Shocks
C&A Razor Ski's
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Old 09-06-2006, 10:10 PM   #7
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Sled: 03 zr800 04 f7 07 F1000 S/P
ATV: 41 foot sport fishing boat
GO with the EFI,Its the only way to go
When did you last see a carborated car (70S-80S) ???
EFI makes better,cleaner and more horsepower than any carb, even does better on REGULAR fuel (carbs run better on premium),this season that reason alone will pay for it self....ALSO the days of carb overhauls in the motel sink are GONE!!!

Just my opinion!!!
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Old 09-06-2006, 10:12 PM   #8
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Get the carb.I never had a problem with them.If you under stand jetting you could have it running real good.My sled starts in 1-2 pulls at the most in a cold winter day.I have a 2005 zr 900 standard carb with slp single pipe,speedwerx head,boysen rad valves,bikeman clutch kit,torque link and the 10.4 update and my sled did 122 top end on gps.
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Old 09-06-2006, 10:13 PM   #9
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<div class='quotetop'>QUOTE (Invasion1 @ Sep 6 2006, 01:26 AM) <{POST_SNAPBACK}></div>
 Quote:
Hello All

Great Forum you have here and im glad to be a member

(first post and i have a poll )

I have been out of the snowmobile scene for a few years now and im getting the itch back now, i had a 1994 Polaris 800 Storm from 1995-1999 but sold it due to lack of use.

Anyway i have been shopping around and i have come to the conclusion that the 2004 ZR900 SP is what i want!!!

now the 2 differing SP versions carbed and EFI......what would you pro's reccomend??

never had a EFI sled before and was wondering if it limits the modifications (IE Pipes, Porting etc etc) you can do to them?

now im not totally ignorant and have found the search function but just wanted a better educated opinion on what i should focus my shopping on.

thanks
Dave
Sudbury, Ontario[/b]
I had both EFI and a Carb sled...If your just gonna trail ride it get the EFI..The EFI can be modded just as easy as a Carb sled with the aid of a Boondockers box...Not really sure if anyone really makes a program for the boondockers box for the 900 or not...

My carb 900 works every bit as good as an EFI sled... Carb sled is cheaper to modify by just changing jets instead of the initial price of a boondockers box....I really believe you need to be dyno tuned with a boondockers box to achieve the full benefit from it...

I think speedwerx makes a pipe that doesn't need a boondocker box added to it to richen the EFI up ...You can also add reeds as well .... to the stock EFI setup
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Old 09-14-2006, 11:55 AM   #10
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Sled: 2002 Thundercat 1000cc
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Well After Some reading up and you guys imput im gonna go with a EFI

Thanks Guys!!

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2002 Arctic Cat Thundercat 1000
V-Force Delta 2
D&D Power Breather
Holtzman Vari-Flow
2 Degree Timing Key
Goodwin Clutch Kit
Westach Water Temp Gauge
Westach Triple EGT Gauge
ACT Front and Rear Clicker Shocks
C&A Razor Ski's
1"Hacksaw Track With 192 Studs
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