2Bros Parts

WR400F & YZ400F Forged Piston 1998-2000 - 92.01mm – 8603DB

Β£192.49

4.4 Trustpilot 99.9% positive on eBay

Free UK delivery 2–4 business days

Spread the cost with Klarna 18+, T&Cs apply

1
Specifications
SKU
WOSS_8603DB
Brand
Wossner
Availability
In Stock (2)
Bore Size
92.01mm
Clip Part Number
CW18
Compression Height
24.5mm
Cylinders
1
Show more +20
Displacement Cc
399cc
Dome / Bowl Volume
8.4cc
Kit Part Number
8603
Number Of Rings
3
Oem Comp Ratio
12.5:1
Original Sku
8603DB
Over Size
0.01mm
Pin Part Number
WP053
Pin Size
18mm
Piston Number
8603DB
Piston Size
91.96mm
Product Type
Forged Piston Kit
Qty Of Bearings Req
2
Ring Part Number
920XSY
Stroke
60.1mm
Suits Woss Main Bearing
MB83C072C
Vehicle Make
Yamaha
Wossner Comp Ratio
12.5:1
Yom From
1998
Yom To
2000
Delivery2–4 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Forged Piston Kit, 92.01mm Bore

A forged piston kit for off-road motorcycle engines with a 92.01mm bore, a 91.96mm piston size and three rings. It has a 24.5mm compression height, an 18mm pin and a 60.1mm stroke. The compression ratio is 12.5:1.

Specifications

  • Bore size: 92.01mm
  • Piston size: 91.96mm
  • Oversize: 0.01mm
  • Compression height: 24.5mm
  • Pin size: 18mm
  • Stroke: 60.1mm
  • Displacement: 399cc
  • Number of rings: 3
  • Dome / bowl volume: 8.4cc
  • Compression ratio: 12.5:1
  • Ring part number: 920XSY
  • Pin part number: WP053
  • Clip part number: CW18
Before you buy

QUESTIONS? JUST ASK

Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00.

Call or email us with your make, model and year and we will check it for you before you order.

UK delivery is Β£4.99, or free on orders over Β£60. Orders ship within 3 working days, then delivery takes 2–4 business days. Delivery details

Yes. You have 14 days from delivery to return it, unused and in its original packaging. Contact us first and we will send you the return instructions. Returns policy

By card, PayPal, Apple Pay or Google Pay, or spread the cost with Klarna. Payment is taken securely by Stripe, and the options for your order are shown at checkout.

More answers in our FAQ.

Trade pricing available

Buying parts for your business? Apply for a 2BrosParts trade account.

Apply for Trade
1