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post #1 of 14 (permalink) Old 07-15-2010, 07:30 PM Thread Starter
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Question New to me Sportsman 700 w/ blown engine

I purchased a 2002 sportsman 700 the the previous owner ran it out of oil and the crank froze up. My question is if a 700 out of a 2005 sportsman EFI would fit? I have not decided if I am going to try to rebuild or replace it and I found the 05 EFI motor on ebay.
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post #2 of 14 (permalink) Old 07-15-2010, 07:44 PM
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not without modification. lots of modification.

the major differences.

*frames, you will need to fabricate custom motor mounts.
*you will need an airbox from an 05 or newer sportsman 700 EFI too
*you will need the entire fuel deliverly system from an 05 700 EFI or newer (injectors included)
*you will need a new CDI from an 05 or newer 700 EFI.
*you will need to replace the full wire harness with an 05 or newer 700EFI


in short, this will be a big headace and not worth it. you cant throw in an EFI motor and use a carb on it, so everything would have to be converted to EFI, big pain in the ass and will be very expensive. plus, like i said, the frames are different. better of to rebuild the motor you have.
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post #3 of 14 (permalink) Old 07-15-2010, 08:07 PM Thread Starter
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I want to leave the carb on it. I wouldn't think the motor mounts would be an issue since the replacement crank cases for both models are the same.
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post #4 of 14 (permalink) Old 07-15-2010, 08:17 PM Thread Starter
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It looks like all the bottom end and the pistons/cylinder are the same part numbers till you get to the head. So swapping heads should work.
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post #5 of 14 (permalink) Old 07-15-2010, 09:39 PM
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polaris dealersite is giving two different PN#s on the cylinders.

it says the 2005 700EFI cylinder is 2203911 and the 2002 700 cylinder is 2202158. what source were you using that said it was the same?
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post #6 of 14 (permalink) Old 07-16-2010, 02:03 PM Thread Starter
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Bike Bandit has the juggs listed as the same. Maybe the 02 supersedes to the 05 part number.
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post #7 of 14 (permalink) Old 07-16-2010, 09:09 PM
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Bike Bandit has the juggs listed as the same. Maybe the 02 supersedes to the 05 part number.
it doesnt. i checked on the polaris dealer site and use the OEM microfiche.

ideally, you could mount your old cylinder to the EFI crankcase. that way it would get rid of all the FI stuff like the injector mouting.

it would be easiest to use the EFI motor as parts for your motor, such as crank, bearings, and such
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post #8 of 14 (permalink) Old 07-16-2010, 11:46 PM
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i have a good crank, rods, and jug. make me an offer

The Kid
2001 500 H.O. Sportsman "Hoggwaller"
2in. lift,with HD ranger springs up front w/stock axles,2in. in the back
heel clicker
Warn 2500 puller outter
SS108's
29.5's Laws skinny/fat
rubber down custom intake
homemade exhaust snorkel
rad. relocated up top
chains on front & rear A arms
swaybar removed
working on quads for 12 yrs let me know if i can help
"Hold my beer and let me show you how to really f#%* shit up"
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post #9 of 14 (permalink) Old 11-06-2010, 05:46 AM
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Quote:
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i have a good crank, rods, and jug. make me an offer
Do you still have the 700 crankshaft for sale the kid? If so please contact me.
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post #10 of 14 (permalink) Old 11-06-2010, 06:00 AM
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Quote:
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Quote:
Originally Posted by The Kid View Post
i have a good crank, rods, and jug. make me an offer
Do you still have the 700 crankshaft for sale the kid? If so please contact me.
pm sent

The Kid
2001 500 H.O. Sportsman "Hoggwaller"
2in. lift,with HD ranger springs up front w/stock axles,2in. in the back
heel clicker
Warn 2500 puller outter
SS108's
29.5's Laws skinny/fat
rubber down custom intake
homemade exhaust snorkel
rad. relocated up top
chains on front & rear A arms
swaybar removed
working on quads for 12 yrs let me know if i can help
"Hold my beer and let me show you how to really f#%* shit up"
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