Yamaha 4-Stroke Outboard (6CS Series) Fuel Injector Cleaning & Flow Testing

The Yamaha 6CS-13761-00-0 is a MPFI marine fuel injector used in Yamaha 4-stroke outboard (OEM 6CS series injector). We ultrasonic-clean and flow-test injectors like this one in our shop, then send back before-and-after data so you know exactly what you're getting.

Manufacturer	Yamaha
Part number	6CS-13761-00-0
Type	MPFI marine
Connector	EV6 compact body, 12-hole nozzle

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Our measured results

These are the actual before-and-after numbers from our flow bench for the Yamaha 6CS-13761-00-0 — not published estimates.

Tested in our shop	4 injector(s) @ 40.0 psi
Measured coil (avg)	12.45 Ω
10s open flow (avg)	29.5 → 29.25 ml (-0.8%)
60s pulsed flow (avg)	31.75 → 30.5 ml
Leak test after cleaning	4/4 PASS

Also known as / cross-references

The Yamaha 6CS-13761-00-0 is interchangeable with or cross-references to these part numbers:

6CS137610000

What vehicles use the Yamaha 6CS-13761-00-0?

Yamaha 4-stroke outboard (OEM 6CS series injector)

How we service it

Every injector gets ultrasonic cleaning, backflushing, before-and-after flow testing (static and dynamic), leak testing, spray-pattern inspection, and new O-rings and micro-filter baskets where available — plus a detailed Injector Performance Report. Round-trip USPS shipping is $15 flat.

Frequently asked questions

What vehicles use the Yamaha 6CS-13761-00-0 injector?

The Yamaha 6CS-13761-00-0 is used in Yamaha 4-stroke outboard (OEM 6CS series injector).

Can you clean and test a 6CS-13761-00-0 injector?

Yes. We ultrasonic-clean, backflush, and flow-test the Yamaha 6CS-13761-00-0 on our bench, including before-and-after open and pulsed flow, leak testing, and spray-pattern inspection, with new O-rings where available.

What did the 6CS-13761-00-0 flow at?

On our bench, 4 6CS-13761-00-0 injectors averaged 29.5 ml open flow before cleaning and 29.25 ml after, tested at 40.0 psi.

How much does it cost?

Standard MPFI top-feed injectors are $30 each; side-feed, GDI, TBI and specialty injectors are $35 each. Round-trip shipping is $15 flat, 4-injector minimum.

How do I send them in?

Start an order on our Get Started page, ship your injectors to our Weymouth, MA shop, and we return them cleaned, tested, and documented.

Send in your 6CS-13761-00-0 injectors

Mail-in cleaning and flow testing with a full before/after report. 4-injector minimum, $15 flat round-trip shipping.

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