Yamaha Cap, Oil Filler - GJ3-6778B-00-00

Overview

The Yamaha Cap, Oil Filler, part number GJ3-6778B-00-00, is an OEM replacement or service component for compatible Yamaha WaveRunner models. The fitment table below covers 2 model/application entries spanning model years 1995-1996. Fitment includes WaveVenture 700, WaveVenture 1100 and other compatible applications.

This genuine Yamaha plug or cap is designed for the factory opening, port, or connection point on compatible models. It is an OEM-focused replacement when the original cap or plug is damaged, worn, loose, or missing.

Key Features

• Genuine Yamaha OEM Plug/Cap: Designed for the specified factory opening or port
• Application-Specific Fit: Matched to compatible Yamaha models and years
• Service Replacement: Suitable for replacing a damaged or missing original plug or cap
• Exact SKU Match: Helps confirm the correct size and installation location

Fitment

This Yamaha Cap, Oil Filler fits the Yamaha WaveRunner models and model years listed below. Match your exact model and year before ordering, and verify Yamaha part number GJ3-6778B-00-00 against the applicable parts diagram when possible.

FAQs

Is GJ3-6778B-00-00 a genuine Yamaha OEM part?
Yes. This listing is for Yamaha part number GJ3-6778B-00-00, intended for the compatible Yamaha applications shown in the fitment table.

How do I confirm that this Cap, Oil Filler fits my Yamaha WaveRunner?
Match both the exact Yamaha model and model year in the fitment table, then confirm the part number against the applicable Yamaha parts diagram or service information.

What is included with this listing?
The listing includes the component identified by Yamaha part number GJ3-6778B-00-00. Related seals, fasteners, clips, brackets, or adjoining parts are separate unless the product listing specifically states otherwise.

Should a seal or O-ring be replaced with this cap or plug?
Check the Yamaha parts diagram for any separate seal, gasket, or O-ring used with the component and replace worn sealing parts as required.

California Proposition 65 Warning

WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.