VIF OEM Upgrade Propeller Installation Hardware Kit - Fits Yamaha

In this review of the VIF OEM Upgrade propeller installation hardware kit, the bottom line is simple: boat owners who need a reliable, exact-match replacement for Yamaha 40-55hp prop installation hardware will appreciate the fit and quality. The reviewer found the kit useful for its intended purpose because it mirrors the original hardware style and includes every small part needed to secure a 13-spline prop. For anyone repairing or maintaining a compatible Yamaha lower unit, this kit removes the guesswork and saves time compared with sourcing individual pieces.

Key Features

• Fit: Designed to fit Yamaha 40-55hp outboard motors with 13 spline tooth props, so users can expect compatibility with models that match Ref No. 663-45987-02.
• Complete kit: Includes thrust washer, spacer, washer, nut and cotter pin, which eliminates multiple orders and ensures all small parts are present when installing a prop.
• Quality control: Aftermarket parts are produced under strict quality checks and match the original style, helping the prop sit and function as it should.
• Clear identification: The reference number and spline count help buyers confirm engine compatibility before purchase, reducing returns and installation errors.
• Service promise: Seller support is available in English or Espanol with a 24-hour response commitment for questions about fit or installation.

Who It's For

The kit is aimed at boat owners, DIY mechanics, and small repair shops working on Yamaha 40-55hp outboard motors that use 13-spline props. It suits people who prefer to replace all small fasteners and spacers at once rather than risk reusing worn parts during a prop swap.

This is not for owners of engines outside the listed range or those who cannot confirm the spline count and reference number; those users should verify their engine type or seek a kit specified for their lower unit before buying.

Pros & Cons

Pros

• Good fit for compatible Yamaha models, with several customers reporting correct alignment and function.
• Complete hardware set means no hunting for a missing washer or pin during installation.
• Quality appears consistent with the original style, giving confidence in durability and fit.

Cons

• Limited to specific Yamaha engine ranges and 13-spline props, so it is not universal for all outboards.
• Some customers found the price mixed in value compared with other sources, so cost-conscious buyers may want to compare options.

Specifications

Brand	VIF
Fits	Yamaha 40-55hp outboard motors
Prop spline	13 spline tooth props
Reference number	663-45987-02
Includes	Thrust washer, spacer, washer, nut, cotter pin
Language support	English or Espanol

Our Verdict

The VIF OEM upgrade hardware kit is a practical, time-saving choice for anyone replacing a 13-spline prop on a Yamaha 40-55hp motor; it matches the original pieces and arrives as a complete set, making installation straightforward and dependable, and it represents reasonable value for owners who prioritize fit and convenience.

Frequently Asked Questions

Will this kit fit my Yamaha 40-55hp outboard?
It is intended for Yamaha 40-55hp motors with 13-spline props matching Ref No. 663-45987-02; confirm your spline count and reference before buying.

What parts are included in the kit?
The kit includes a thrust washer, spacer, washer, nut and cotter pin, supplied as seen in the product photos.

Is customer support available if I have fit questions?
Yes, the seller offers support in English or Espanol and promises a response within 24 hours for fit or performance questions.