How do I confirm pilotpart391768 fits my machine?

Compare the OEM or reference part number, machine model, engine model, and serial number. You can also submit a fitment inquiry before ordering.

In Stock

New Starter Replacement For 2003 2004 2005 2006 Yamaha WR450F, 5TJ818900000, 5TJ818901000, 5TJ-81890-20-00, SMU0349, 41054140

For Yamaha Starter Motor

Starter Motor 5TJ818900000 for Yamaha WR450F Engine

OEM / REF: 5TJ818900000SKU: pilotpart391768

Yamaha Starter Motor 5TJ818900000 is listed under Engine Spare Parts > Starter Motor with catalog data including Design: PMDD; Voltage: 12V; Rotation: CW. Verify fitment for Yamaha Engine Spare Parts using the OEM number, mounting points, and photos of your existing part.

Stock: In stock
Condition: New
Fitment: Yamaha Engine Spare Parts
Category: Starter Motor

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$75.99USD/EA

~~$31,599.00~~Save 100%

Estimated delivery by quantity

Estimated delivery windows
Qty	Estimated delivery
1	Aug 24 – Aug 31
10	Aug 22 – Aug 29
50	Aug 20 – Aug 27

Estimates from today; confirm exact lead time before payment.

Quantity

Confirm fitment before ordering →

Lead times can vary by freight route and customs. Contact support for expedited shipping.

Starter Motor Description

This Starter Motor is indexed for Yamaha · WR450F · 2003-2006. Compare reference number 5TJ818900000 against the label on your existing Yamaha component before ordering.

Additional cross references on file: 5TJ818901000, 5TJ-81890-20-00, SMU0349. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

5TJ818900000 5TJ818901000 5TJ-81890-20-00 SMU0349 41054140

Applications

Yamaha · WR450F · 2003-2006

Specifications

Design	PMDD
Voltage	12V
Rotation	CW
Number Of Teeth	9T
Power Rating	0.8 K
Part Number	5TJ818900000, 5TJ818901000, 5TJ-81890-20-00, SMU0349, 41054140

Fitment Notes

Brand or application signal: Yamaha Engine Spare Parts
Product family: Starter Motor
System category: Engine Spare Parts > Engine Auxiliary Components > Starter Motor
Recommended verification: OEM number, engine model, serial number, old part photos, and dimensions.

Shipping & Returns

Availability: InStock
Shipping: Shipping quotes can be confirmed before payment for heavy or urgent orders.
Returns: Returns are easier when fitment is confirmed before ordering.
B2B support: Bulk, fleet, and repair-shop requests can be handled through the inquiry form.

Frequently Asked Questions

How do I confirm this part fits my machine?

Match the OEM or reference number first, then verify machine model, engine model, serial number, connector layout, mounting points, and old part photos.

Can I order if my part number is not listed?

Yes. Send the old part number, machine plate, and photos through the fitment inquiry form. Support can review possible replacements or alternatives.

Is this an OEM part?

Products are indexed as replacement parts unless explicitly marked otherwise. Always compare reference numbers and confirm fitment before purchase.