40053M07400 Wiseco Std Piston Kit for Yamaha Apex 2011-2012 74.00 mm SE XTX

Wiseco Std Piston Kit for Yamaha Apex, 2011-2012

This Wiseco standard bore piston kit replaces the factory piston in 2011-2012 Yamaha Apex snowmobiles, cross-referencing OEM part 40053M07400 at a 74.00 mm bore and fitting SE and XTX models.

Overview

This Wiseco Std Piston Kit for Yamaha Apex is a direct-fit replacement piston assembly built for 2011-2012 SE and XTX models. The Wiseco Std Piston Kit for Yamaha Apex restores compression and cylinder sealing, giving riders a dependable rebuild option. It suits sled owners and shops servicing the 74.00 mm bore engines found in these machines.

Built For Performance

• 74.00 mm standard bore matches the factory cylinder size
• Cross-references OEM part 40053M07400
• Wiseco forged piston construction for strength under load
• Kit includes piston, rings, pin, and clips for a complete rebuild
• Designed for the 2011-2012 Apex engine platform
• Fits both SE and XTX trim levels

Fits These Machines

• for Yamaha Apex SE 2011-2012
• for Yamaha Apex XTX 2011-2012

On-The-Job Use

• Top-end rebuilds after compression loss or piston scoring
• Routine maintenance on high-mileage trail sleds
• Shop service jobs for 2011-2012 Apex models
• Restoring factory bore dimensions with a standard-size piston

Specs At A Glance

Good To Know

Q: Is this piston standard bore or oversized? A: It is a standard 74.00 mm bore piston that matches the factory cylinder size for the 2011-2012 Apex. No boring or honing to an oversize is required when the cylinder is within spec.

Q: Does the kit include rings and pin? A: Yes, this Wiseco piston kit ships with the piston, rings, wrist pin, and clips. Confirm your model and year before ordering to ensure correct fitment.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.