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Wiseco 4171M07400 Standard Bore Forged Piston Kit - 74mm 4-Stroke

(1981-1982 Honda XR250R; 1982-1983 Honda XL250R; 1979-1981 Honda XL250S)

Part of: Wiseco Pistons Forged Piston Kit Standard Bore

Other options in this family: Wiseco Pistons 4984M08200 Wiseco Pistons 4732M09500 Wiseco Pistons 4906M09800 Wiseco Pistons 40066M10200 Wiseco Pistons 448M05550

Manufacturer

Picture for manufacturer Wiseco Pistons

Part Number

4171M07400
13 reviews
Sale Price

$194.99

Estimated ship date Monday, November 23

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Product Details

The Wiseco 4171M07400 is a 4-stroke forged piston kit featuring a standard 74.00mm (2.913 in.) bore diameter. Forged from high-silicon, low-expansion aluminum alloy, this piston delivers superior strength, reduced weight, improved heat transfer, and extended service life compared to OEM cast alternatives.

Wiseco's dedicated forging process allows for an optimized strength-to-weight ratio, while diamond-turned CNC machining ensures a precise, consistent fit with no size variation. This kit is engineered and manufactured in the USA at Wiseco's facility in Mentor, Ohio.

Kit Includes:

  • Forged aluminum piston
  • Piston rings (only Wiseco replacement ring sets are compatible with Wiseco pistons)
  • Wrist pin
  • Circlips

Specifications:

  • Bore Size: 74.00mm (2.913 in.) — Standard
  • Compression Ratio: 10:1
  • Piston Material: Forged aluminum alloy
  • Sizing: Standard bore

This piston kit is part of Wiseco's Powersports 4-Stroke Forged Series, designed to deliver reliable performance and durability for dirt bike and powersports applications. Cylinder deglazing is recommended prior to installation.

Products specifications

Fits

1981-1982 Honda XR250R; 1982-1983 Honda XL250R; 1979-1981 Honda XL250S

So far so good. Great prices, easy shipping and payments.

smooth

My shopping experience has been great...it was very easy to find the part I was looking for.

Easy to order

Easy

Good prices.

Easy & comfortable process with Amazon checkout link. Good pricing.

So far so good. First time to buy from here

Cheapest carb I found for my use, thanks.

Excellent store! I found the fuel pump that I was looking for right away and for almost half the cost of competitors. Better yet, the order shipped out that night! I make a lot of online purchases and have grown accustomed to the normal lengthy process but this store knows what they're doing! Great experience overall and I will be sure to buy from them again and spread the word!

Great price!

good so far

best price, cheap shipping, easy to order, thank you Order Number: 4829<br>

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