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Rebuilding 92 Indy 650
- question regarding interchangeable parts.
started by wakeboarderboy
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February 19th 2012 at 1:43 PM
[ Modified February 19th 2012 at 1:50 PM
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wakeboarderboy
Infinite Member
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1980 Posts 
Group: Members
Member Since: January 21st 2009
Location: Drayton, Ontario, Canada
Current Sled: 2008 IQ 600RR
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Would appreciate some input as I am working on it right now. I have the Indy 650 that I plan on using for parts. I want to take the RXL and get it running as it has a 2-up and reverse. The sled was still running when it blew a piston, so I'm going to use that crank as I am not 100% sure what the condition is of the other crank. I have a rebuild kit and will use any cylinders that look okay. As far as I've seen the cylinders are all okay. The RXL had burnt a centre piston and the Indy burnt the MAG side piston. I am pulling the EFI out and running it with the carbs from the Indy, are there any problems that I may run into? I figure it's going to be easier then buying a new battery and I don't know enough about the efi to figure out why the sled blew up. I will have to completely reset the carbs since the setting on all the screws were messed with when it got stolen. Will add some pictures here as well. This is my first time rebuilding a sled by myself so I was looking to see if anyone had any pointers or advice for me. Also thinking I'm better off running the carbs than the efi because then I can use the extra electrical parts for spares right? Heard that the electric parts from the RXL will work on the Indy But not the other way around, just wanted to confirm that. So if anyone has some advice it would be great! also want to know if any of you have any ideas on how these things blew up? The Middle cylinder on the RXL is much cleaner than the rest. How can I make it more bulletproof than it was before? Thanks! - RXL - Indy
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February 19th 2012 at 2:33 PM
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wakeboarderboy
Infinite Member
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1980 Posts
Group: Members
Member Since: January 21st 2009
Location: Drayton, Ontario, Canada
Current Sled: 2008 IQ 600RR
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Piston skirt is all gone on the RXL so I'm going to assume that crank is junk. Just starting to rip apart the other one. If I need to to a crank here it kind of makes the whole deal not worth my money. Anywhere i could get it done cheap or is it going to cost me? May just end up sending the rebuild kit back.
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February 19th 2012 at 3:06 PM
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polaris91
117 racing
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4304 Posts 
Group: Members
Member Since: March 9th 2006
Location: bridgeport, new york, USA
Current Sled: 06 iqr 440/2005 xcsp600
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im not sure about where your located but i can get a whole crank rebuilt for around 150 bucks, its not too bad as long as you can find a reputable crank shop
1990 indy trail bored.20over, ported and polished, cluched and geared, chaincase/brakes/jackshaft from 93 xlt, headlight cover, black skid plate, blue running board trim, fox shocks, 2 in powermadd riser, fly bars/barpad,1 in lug track, xtra 10 rear, and edge seat and tank.
06 iqr 440, c&a skis,600ves tag bars cobra windsheild rev 440 seat-sold
04 proxr 440
watercross sleds 05 xcsp with a 500 crankshop mod motor with twins running on vp 110
and a 01 xc with a stock 600 ves and some homemade tweeks
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February 19th 2012 at 3:10 PM
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wakeboarderboy
Infinite Member
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1980 Posts
Group: Members
Member Since: January 21st 2009
Location: Drayton, Ontario, Canada
Current Sled: 2008 IQ 600RR
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I'll have to look around. my local poo dealer charges around 500 to do a crank and they send it out.
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February 19th 2012 at 3:31 PM
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wakeboarderboy
Infinite Member
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1980 Posts
Group: Members
Member Since: January 21st 2009
Location: Drayton, Ontario, Canada
Current Sled: 2008 IQ 600RR
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If I split the cases on both, is there any way i can see if either crank is good? Like see if the bearings are noisy or something?
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February 19th 2012 at 3:49 PM
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polaris91
117 racing
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4304 Posts
Group: Members
Member Since: March 9th 2006
Location: bridgeport, new york, USA
Current Sled: 06 iqr 440/2005 xcsp600
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yes. split the cases then clean and oil the bearings (i use breakleen to clean them) then oil them with 2 stroke oil and spin them. make sure there is no excessive noise than they spin smoothly with no rough spots and make sure theyre tight not loose or sloppy. that is rediculis what your dealer charges. you could buy a new crank for that cost. your best bet is finding a small engines repair shop that specialses in engine repair. some machine shops will do this also
1990 indy trail bored.20over, ported and polished, cluched and geared, chaincase/brakes/jackshaft from 93 xlt, headlight cover, black skid plate, blue running board trim, fox shocks, 2 in powermadd riser, fly bars/barpad,1 in lug track, xtra 10 rear, and edge seat and tank.
06 iqr 440, c&a skis,600ves tag bars cobra windsheild rev 440 seat-sold
04 proxr 440
watercross sleds 05 xcsp with a 500 crankshop mod motor with twins running on vp 110
and a 01 xc with a stock 600 ves and some homemade tweeks
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February 20th 2012 at 7:45 PM
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wakeboarderboy
Infinite Member
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1980 Posts
Group: Members
Member Since: January 21st 2009
Location: Drayton, Ontario, Canada
Current Sled: 2008 IQ 600RR
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Thanks a lot sir! will split them tomorrow and take a look.
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February 21st 2012 at 5:19 PM
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numnuts
Starting Member
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4 Posts
Group: Members
Member Since: February 21st 2012
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I seem to remember the efi engines having bigger intake ports
Something to check!
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February 26th 2012 at 10:15 AM
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wakeboarderboy
Infinite Member
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1980 Posts
Group: Members
Member Since: January 21st 2009
Location: Drayton, Ontario, Canada
Current Sled: 2008 IQ 600RR
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all cylinders are good! will just be sure to use one or the other.
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February 26th 2012 at 2:32 PM
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baldur
Turbo or no go
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329 Posts 
Group: Members
Member Since: October 4th 2009
Location: Iceland
Current Sled: 1992 Indy RXL turbo
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Quote originally posted by numnuts
I seem to remember the efi engines having bigger intake ports
Something to check!
There are two types of 650 engines and the crankcases and cylinders are NOT interchangable between the two but the crank and the pistons are the same.
The EC65PL-01 engine is the original 650 found in carbed Indies up until 1990.
The EC65PL-02 engine is the later model, found in every RXL (but dubbed EC65PL-03/05 when it has EFI) and the carbed 650 in 1991 and 1992.
The updated model has bigger cylinder castings, sporting bigger transfer and intake ports and I think the exhaust timing is slightly different. The magneto end of the crankcase is also bigger to make room for the updated magneto.
You can identify the crankcases by the label in the casting on the top of the magneto housing, below the water pump it will say "EC65PL" followed by 01 or 02.
The cylinders can be identified by the fact that the later cylinders have longer sleeves that extend past the bottom of the cylinder casting, protruding into the crankcase while the 01 cylinders have the bottom of the iron sleeve flush with the bottom of the alu casting.
The bigger ports of the 02 engine make about 5-10 extra horsepower over the 01 engine at a couple hundred more revs in stock configuration.
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February 28th 2012 at 1:59 PM
[ Modified February 28th 2012 at 2:02 PM
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CanadianXCR
Need more snow....
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2476 Posts
Group: Members
Member Since: December 18th 2004
Location: Barrie, ON, Canada
Current Sled: 1998 XCR 440
2011-2012 Miles: 340
2012-2013 Miles: 320
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Quote originally posted by polaris91
im not sure about where your located but i can get a whole crank rebuilt for around 150 bucks, its not too bad as long as you can find a reputable crank shop
Somehow I doubt that. Cost on the parts to do an entire triple crank rebuild would be more than $150. $500 is about the going rate for a fully rebuilt crank by a reputable crank builder (in CDN $$$ anyways).
If you can run the -02 engine, they made a nice increase in power to the 650 and I believe the updates were also done to help with durability as well (less chance of piston skirts breaking IIRC, but don't hold me to it).
98 XCR 440 / Woodys / Hot Seat Performance / Shock Pros / Cobra / Sportech / Fox / TEAM / Koso
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February 29th 2012 at 5:30 PM
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wakeboarderboy
Infinite Member
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1980 Posts
Group: Members
Member Since: January 21st 2009
Location: Drayton, Ontario, Canada
Current Sled: 2008 IQ 600RR
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I will check the #'s but their both 92's so they should both be the 02 then correct?
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March 1st 2012 at 6:39 AM
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baldur
Turbo or no go
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329 Posts
Group: Members
Member Since: October 4th 2009
Location: Iceland
Current Sled: 1992 Indy RXL turbo
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Quote originally posted by wakeboarderboy
I will check the #'s but their both 92's so they should both be the 02 then correct?
Yes they should both be the 02 crankcase and cylinders.
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