2001 Models W/800 Twin - Piston Failure - Snowmobile World : Your #1 Snowmobile Forum
 
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post #1 of 8 (permalink) Old 08-10-2005, 09:38 AM Thread Starter
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2001 Models w/800 twin - Piston Failure



Skidoo2001 Twin Cylinder 800 Engines -
(All models equipped with a 793 engine type)

Here is a copy of the WARRANTY BULLETIN# 2001-12 letter sent to owners:



Dear Skidoo Owner

At Bombardier, we pride ourselves in providing our valued customerswith the best quality, durability and reliability availablein the snowmobile industry. We also place top priority oncustomer satisfaction, and that means standing behind ourproducts, especially on the rare occasion when somethingdoes not perform to our high standards.

Such is the case with the pistons in some of our 2001 twin-cylinder800cc engines. Due to an unexpected variation in some ofthe pistons provided to Rotax by a supplier, there is thepossibility of deterioration that could lead to engine damage.To ensure that you get the maximum performance from yourSkidoo snowmobile, Bombardier will make the following improvementsto your snowmobile at no cost to you when the work is performedat an authorized Skidoo dealer:

• Provide and install new, improved pistons

• Clean the carburetors

• Update the cooling system with some of the componentsintroduced on our new 2002 models

• Provide and install new standard spark plugs whichare now recommended for this engine type and are standardequipment for 2002 models with twin-cylinder 800cc engines(Note: For future reference, please change the spark plugnumber to NGK BR9ECS in your Operator’s Guide, page120).

These upgrades will improve the quality and will not compromiseperformance of your engine while ensuring its long termdependability. You can rest assured that your authorizedSkidoo dealer has all the tools and skills required to makethese improvements and inspections, and to put your sledon the snow in peak performance condition.

As previously stated, these enhancements will be at ourcost, not yours. We strongly recommend that your sled undergothis work prior to the start of your riding season. It isalso suggested that this upgrade be completed before yourdealer’s peak period begins early this Fall to assureyour complete satisfaction.

Unless your dealer has already contacted you, please callits after-sales service department today to make an appointment.Tell them it is in regard to campaign 2001-0011.

Thanks for your understanding and cooperation. Best wishesfrom Bombardier for a safe and enjoyable snowmobile season.

Yours truly,

The After-Sales Service Team


[SNOWMOBILEWORLD.COM EXCLUSIVEADDITIONAL INFORMATION:]</p>

Thiswarranty campaign is being placed in action due to a thoroughinvestigation by Skidoo concerning piston skirt failureslast season. Skidoo has identified that there exists a probabilitythat piston skirt failures will occur in the 2001 800 engineline. Skidoo also believes that this problem was causedby a manufacturing process variation at Rotax’s pistonsupplier caused by a fire at the supplier’s manufacturingfacility and a subsequent move.

Skidoo has also observed causes of detonation which theyassociate with an overheat condition at the spark plug seat.

PROBLEM SOLUTION: (what will be performed under thisbulletin)

• Replace pistons with the new improved pistons
• Update and bleed the cooling system
• Clean carburetors
• Replace spark plugs
• Reprogram MPEM

Skidoo notes that engine performance will remain the sameafter improvements.

PARTS REQUIRED FOR WORK:

793 Update Kit - Part Number 590 122 300
Programming Cartridge - Part Number 512 059 590

HOW WILL WORK BE CARRIED OUT:

Dealers will receive an amount of kits corresponding to50% of their invoiced vehicles involved. The upgrade kitswill be shipped by the following schedule:

25% of the units invoiced to each dealership and involvedin this campaign on the first week of September;
25% of the units invoiced to each dealership and involvedin this campaign on the first week of October;
Starting October 15, dealers will have to order kits toupdate the remaining involved vehicles.

LIST OF VEHICLES <font color="#FF0000">NOT INVOLVED</font>IN THIS WARRANTY CAMPAIGN:

The below Serial Numbers are of units that were <font color="#FF0000">CORRECTED</font>before shipment to dealers. These serial numbers <font color="#FF0000">ARENOT INVOLVED IN THIS CAMPAIGN</font>:<font size="1">
</font></font></p><table width="66%" border="0" cellpadding="0" cellspacing="0" bgcolor="#336699" align="center"><tr><td width="47%" align="center" valign="top" height="1231"><font face="Verdana, Arial, Helvetica, sans-serif" size="1" color="#FFFFFF">Model1725,
Summit 800 HM X
(black - Canadian)

2BPS172531V000001

Model 1727,
Summit 800 HM X
(red - Canadian)


2BPS172711V000063
2BPS172791V000070
2BPS172721V000072

Model 1742,
Summit 800 X
(black - Canadian)


2BPS174261V000044
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2BPS174221V000073
2BPS174241V000074
2BPS174271V000084
2BPS174241V000088
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Model 1744,
Summit 800 X
(red - Canadian)


2BPS174441V000013
2BPS174491V000038
2BPS174401V000039
2BPS174491V000041
2BPS174401V000042
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Model 1862,
Summit 800 Highmark
(yellow - american)


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2BPS186201V000141
Model 1863,
Summit 800 Highmark
(yellow - Canadian)


2BPS186381V000204
2BPS186351V000256

Model 1864,
Summit 800 Highmark
(black - American)


2BPS186471V000008
2BPS186491V000009
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2BPS186461V000288
2BPS186441V000290
2BPS186461V000291
2BPS186411V000294

Model 1865,
Summit 800 Highmark
(black - Canadian)


2BPS186511V000577
2BPS186561V000588

Model 1866,
Summit 800 Standard
(yellow - American)


2BPS186631V000007
2BPS186671V000012
2BPS186601V000014
2BPS186621V000015
2BPS1866X1V000022
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2BPS186681V000083




</font></td><td width="6%" height="1231" bgcolor="#FFFFFF"> </td><td width="47%" align="center" valign="top" height="1231"><font face="Verdana, Arial, Helvetica, sans-serif" size="1" color="#FFFFFF">2BPS186631V000086
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2BPS186651V000204
2BPS186601V000207
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2BPS186611V000216
2BPS186631V000217

Model 1867,
Summit 800 Standard
(yellow - Canadian)


2BPS186751V000020
2BPS186761V000141
2BPS186771V000147
2BPS186701V000166
2BPS186761V000222
2BPS186751V000244
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2BPS186701V000314


Model 1868,
Summit 800 Standard
(black - American)


2BPS186841V000003
2BPS186861V000004
2BPS186851V000009
2BPS186851V000012
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2BPS1868X1V000538
2BPS186831V000543
</font></td></tr></table>

<font face="Verdana, Arial, Helvetica, sans-serif" size="2">CONTACT YOUR DEALER IMMEDIATELY TO SCHEDULE YOUR UPDATE!</font></p>
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post #2 of 8 (permalink) Old 01-22-2014, 05:42 PM
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Location: elmvale,ontario
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i dont see my vin

does this mean my 2001 800 should be able to get these updates?????cause i called the dealer and they said there wasnt one for this sled but i dont believe them..
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post #3 of 8 (permalink) Old 01-22-2014, 07:17 PM
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Doesn't it list every VIN? If that's what those are, yours should be there....

1998 Polaris RMK 600
1998 Polaris XCF
1981 Arctic Cat El Tigre 6000

2010 Ford Fusion

1994 Ford Mustang GT
1992 Ford F-150
1948 Willys CJ2A

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post #4 of 8 (permalink) Old 01-22-2014, 09:12 PM
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2001 mxz motor piston recall

no those are the one's the vin# of the sleds that were fine and got caught before they were sold that what i read near the top before the vi# list starts and mines not there but my dealer said there isnt a recall on mine then i said u mean its been done he says yea but if i remove the rave valve i can see it single ring piston in it i am no the first buyer but that should matter recall is a recall gona call a different dealer tomorrow to see
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post #5 of 8 (permalink) Old 01-23-2014, 11:35 AM
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No go

The dealer this is second place I called and boo one seems to know about this recall or there playing dumb but I am getting pissed off I just wanna make sure I don't get any suprizes on the trail that could have been avoided
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post #6 of 8 (permalink) Old 01-23-2014, 09:19 PM
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Angry They say it's been done

Called ski doo head office to find out more info and they say it's been done witch doesn't make sence to me cause my motor has single piston rings I am not sure what I should do
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post #7 of 8 (permalink) Old 01-23-2014, 10:00 PM
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How do you know that the update includes dual ring pistons? Unless I missed it in the first post.....

1998 Polaris RMK 600
1998 Polaris XCF
1981 Arctic Cat El Tigre 6000

2010 Ford Fusion

1994 Ford Mustang GT
1992 Ford F-150
1948 Willys CJ2A

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post #8 of 8 (permalink) Old 01-24-2014, 04:50 AM
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Pistons are fine but

Because the single ring pistons were the problem in the first place they were changeing them to double pistons to solve that problem
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