Eastern Motorcycle Parts Mainshaft Retaining Washers For Big Twins
Eastern Motorcycle Parts Mainshaft Retaining Washers For Big Twins
Available in stock (12)
About this product
About this product
Ensure the longevity and smooth operation of your vintage Big Twin transmission with these replacement mainshaft retaining washers from Eastern Motorcycle Parts. Designed as direct replacements for worn or damaged originals, these washers maintain proper bearing preload and prevent excessive end play, contributing to improved shifting and reduced wear.
Description
These retaining washers are specifically manufactured to meet or exceed OEM specifications, guaranteeing precise fit and reliable performance in 4-speed Big Twin transmissions. Proper installation of these washers is critical for maintaining the correct mainshaft alignment and preventing premature bearing failure. Whether you're restoring a classic motorcycle or simply performing routine maintenance, these mainshaft retaining washers are an essential component for keeping your vintage Big Twin running smoothly. They are designed to withstand the rigors of high-performance applications, offering exceptional durability and resistance to wear.
Features & highlights
- Direct replacement for OEM mainshaft retaining washers.
- Ensures proper bearing preload and mainshaft alignment.
- Prevents excessive end play and reduces wear.
- Manufactured to meet or exceed OEM specifications.
- Essential for maintaining smooth shifting and transmission longevity.
- Designed for 4-speed Big Twin transmissions.
Technical specifications
- Brand: Eastern Motorcycle Parts
- Part Number: DS194179
- Product Name: Washer
- Type: Bearing Retaining, Mainshaft
- Thickness: 1.65 mm (0.065")
- Units: 5 Pack
Important to know
Verify the correct fitment for your specific 4-speed Big Twin model before installation. Professional installation is recommended.
Shipping & Return
Shipping & Return
Free shipping to GLS parcel shop parcel box for purchases over DKK 1,000.
GLS home delivery costs DKK 59.
We do our best to ship your order as quickly as possible. All orders are generally packed within 24 hours on weekdays.
There is a 14-day return policy. Read more
Parts Denmark Info
Parts Denmark Info
Parts Denmark is a new webshop based in Denmark. We have a physical location you can visit (No showroom yet), and we have both email and phone support in our opening hours.
Our company info is:
Parts Denmark ApS
VAT: DK45974758
Dam Holme 11
3660 Stenløse, Denmark
hello@partsdenmark.com
+45 222 333 29
Best regards,
William Svendsen & Martin Høyer (Owners)
Specifications
EASTERN MOTORCYCLE PARTS
A-35131-80
Washer
1,65 mm (0,065")
Bearing Retaining, Mainshaft
5 Pack
Reviews


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Martin and William are the duo behind Parts Denmark — an unlikely but awesome combo of a tech-savvy young IT wizard and a seasoned motorcycle guru who’s seen (and fixed) it all. Together, we’ve built a team with big ambitions, plenty of passion, and a shared mission to create great things — side-by-side with you.
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