Worldwide Free Shipping on Every Order Fully Tracked & Secure No Minimum Purchase Required, No Hidden Fees.

1 2

Piaggio Genuine Vespa ET4 / Sfera RST 125 Gearbox Intermediate Shaft 436649

Piaggio Genuine Vespa ET4 / Sfera RST 125 Gearbox Intermediate Shaft 436649

$115.80 USD
$115.80 USD
Sale Sold out

Out of stock
Genuine Piaggio / Gilera OEM

Product Description

Piaggio Genuine factory rear transmission double intermediate gear shaft (Albero di Rinvio). Installed inside the rear reduction gearcase, this 13/35 tooth intermediate shaft transfers drive torque from the primary clutch shaft to the final rear wheel axle on early pre-Leader 125cc 4-stroke and 2-stroke Maxi-scooter engines.

Vehicle Compatibility

Standard Genuine replacement fitment across first-generation pre-Leader 125cc 4-stroke (M041M) and early 2-stroke Piaggio/Vespa platforms:

Make Model Chassis / Engine Code Model Years Application
Vespa ET4 125 (Pre-Leader Engine) ZAPM04000 (125cc 4T AC M041M) 1996–1999 Final Drive Intermediate Gear Shaft (13/35T)
Piaggio Sfera RST 125 ZAPM01000 (125cc 4T AC) 1995–1997 Final Drive Intermediate Gear Shaft (13/35T)
Piaggio Sfera 80 RST / Sfera 125 ZAPM01000 / NSL1T 1995–1998 Final Drive Intermediate Gear Shaft (13/35T)

Fitment & Technical Details

Early production 6-digit part reference 436649, which evolved through Piaggio parts system supersessions as 4366495 $\rightarrow$ 43664955, and was ultimately unified under part number 4860055. Features the exact 13-tooth / 35-tooth gear tooth configuration. Note: Only fits early pre-Leader M041M 4-stroke engines (1996–1999) and does not fit later 2000+ Leader engine casings. Inspect needle roller bearings and thrust washers upon installation, replace the gearcase gasket, and fill with SAE 80W-90 transmission fluid.

Important: Please ensure the part number matches your motorbike before purchasing. If you have any questions about the part or its compatibility, feel free to contact us. We’re here to help!

At Dmmotorcycles, we’ve specialized in vintage and vintage sports motorcycles and parts directly from Japan since 1998. We stock a wide selection of rare genuine and high-quality aftermarket parts and continually update our inventory to meet growing demand.

Looking for a specific part? Don’t hesitate to ask! We may have it in stock even if it’s not listed online. If not, we’ll do our best to source it for you.

We’re also happy to provide guidance on installation and offer excellent after-sales support to ensure your satisfaction.

Shipping Information

We ship worldwide, carefully inspecting and securely packing all parts to ensure safe delivery. Your order will be insured and shipped quickly, with the best available shipping option chosen for speed and reliability.

Please note:

  • All parts are shipped from Cyprus (Europe).
  • Customers outside the EU may incur additional import taxes based on the value of the item.
View full details

How we handle your order in 4 steps

  • 1. Order Verification

    We confirm the order and make sure the correct part number, quantity, and any special requests match what’s on the sales confirmation

  • 2. Quality Check

    Since our parts are new old stock we Inspect the parts for any defects, scratches, or missing components to ensure it meets quality standards. otherwise will notify you before proceeding with the order.

  • 3. Safe and Secure packaging

    • Protective Wrapping: We use bubble wrap or foam padding to wrap the part, focusing on sharp edges or delicate components.
    • Boxing: We place the wrapped part inside a sturdy box, filling gaps with packing materials to prevent movement.
    • Sealing and Labeling: Securely tape the box and attach the shipping label, including orientation-specific markers like "Fragile."

  • 4. Finalizing of Shipment

    We confirm the shipping address and contact details, give the package to the Post, keep the tracking number, and then send it to the customer along with the shipment notification.

1 4