Breaking in new motor

[SNOHAWK]

What's the best and most effective way to break in a complete rebuilt Ski doo 800 motor?

I have freshened one of my 800's (top end) and did a complete rebuild on the other.

Looking for your advice.

Thanks

Sno

 

[Wildbill]

follow the manufacturers recommendations 

[Pstn head]

X2

[Redfire427]

Have a dealer re-set the PCM with the BUDS system. This will put the computer back to break-in mode, which will retard the timing a bit, just like a new sled.

 

Carmen

[Cat800ltd]

Drive it like you stole it. No long sustained pulls, keep varying the rpm. But if you want a screamer, do not baby it. Of course pre mix the first tank as well.

[whiskywizard]

Have a dealer re-set the PCM with the BUDS system. This will put the computer back to break-in mode, which will retard the timing a bit, just like a new sled.

 

Carmen

 

This.

 

The reset will also jack up the oil injection rate for the break-in period. 

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Operation During Break-In

A break-in period of 10 operating hours or 500 km (300 mi) is required for the vehicle.

After the break-in period, the vehicle should be inspected by an authorized Ski-Doo dealer. Refer to MAINTE- NANCE section.

Engine

During the break-in period:

• –  Avoid prolonged full throttle opera- tion.

• –  Avoidsustainedaccelerations.

• –  Avoidprolongedcruisingspeeds.

• –  Avoidengineoverheating.

  However, brief accelerations and speed variations contribute to a good break-in.

  During the first few hours of break-in, the engine management system con- trols some engine parameters which will slightly reduce the engine perfor- mance.

  E-TEC Models

  During a predetermined period, the engine management system controls some engine parameters.

  The duration is based on fuel volume. It will take approximately two fuel tanks to complete the break-in.

  During this period:

• –  Theengineperformanceandbehav-

  ior will not be optimal.

• –  Thefuelandoilconsumptionwillbe higher.