PISTON KIT 78-80 SUZUKI RM 400 81.5mm 1.5mm OVER VINTCO PSS05-1.5
4.1 Trustpilot 99.9% positive on eBay
Delivery to United States 5–8 business days
Spread the cost with 
VintCo PSS05-1.5 is a complete piston kit for vintage 2-stroke engine service. This kit includes the piston, rings, pin, and clips. Produced in Germany using modern materials and manufacturing methods, it offers OEM-equivalent or improved fitment and performance. This version features a forged, MoS2-coated 81.5 mm piston at +1.5 mm oversize. The piston diameter is 81.43 mm with a clearance of 0.07 mm. A wrist pin bearing is sold separately, and additional size options are available. VintCo Part Number: PSS05-1.5.
- SKU
- VIN-PSS05-1.5
- Brand
- Vintco
- Availability
- In Stock (1)
Fitments (3)
| Make | Model | Year |
|---|---|---|
| SUZUKI | RM 400 | 1978 |
| SUZUKI | RM 400 | 1979 |
| SUZUKI | RM 400 | 1980 |
- SKU
- VIN-PSS05-1.5
- Brand
- Vintco
- Availability
- In Stock (1)
FULL DESCRIPTION
VintCo Piston Kit for Vintage Suzuki RM400
This VintCo piston kit is specifically designed for vintage 2-stroke Suzuki RM400 engines from 1978 to 1980. Manufactured in Germany with modern materials and precision engineering, this kit offers OEM-equivalent or improved fitment and performance for your classic motorcycle.
Key Features:
- Complete Piston Kit: Includes piston, rings, wrist pin, and clips for a comprehensive replacement.
- Vintage 2-Stroke Performance: Engineered for the specific needs of classic 2-stroke engines.
- Enhanced Fitment and Performance: Built to match or exceed original equipment standards.
- MoS2 Coating: Features an MoS2 coating to aid in the running-in process and improve lubrication.
- Forged Construction: Utilizes a forged piston for superior strength and durability.
- Oversize Specification: This kit is for an 81.5 mm bore size, representing a +1.5 mm oversize.
- German Manufacturing: Produced in Germany, ensuring high-quality craftsmanship.
Specifications:
- Bore Size: 81.5 mm
- Oversize: +1.5 mm
- Piston Diameter: 81.43 mm
- Clearance: 0.07 mm
- Construction Material: Forged
- Coating: MoS2
Please Note: A wrist pin bearing is sold separately. Additional piston sizes are also available.
QUESTIONS? JUST ASK
Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00 (UK time).
Check the fitment table on this page against your make, model and year. Not sure? Call or email us and we will check it for you before you order.
Yes. We ship from the UK. Orders ship within 3 working days, then delivery to the United States takes 5–8 business days. The delivery price is shown at checkout before you pay. 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.
Any customs duties or import taxes charged in the United States are paid by you when the parcel arrives. Any tax we collect ourselves is shown at checkout before you pay.
More answers in our FAQ.
Trade pricing available
Buying parts for your business? Apply for a 2BrosParts trade account.