Yamaha F150 V4 4-Stroke Outboard Fuel Injector Cleaning & Flow Testing

The Bosch CDH275 is a MPFI marine fuel injector used in Yamaha F150 4-stroke V4 outboard — CDH275 is the Nikki manufacturer designation for the 63P-13761-00-00 OEM injector (same as capture #10). 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	Bosch
Part number	CDH275
Type	MPFI marine

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Our measured results

These are the actual before-and-after numbers from our flow bench for the Bosch CDH275 — not published estimates.

Tested in our shop	4 injector(s) @ 40.0 psi
Measured coil (avg)	15.12 Ω
10s open flow (avg)	42.25 → 50.25 ml (+18.9%)
60s pulsed flow (avg)	51.5 → 58.25 ml
Leak test after cleaning	4/4 PASS

Also known as / cross-references

The Bosch CDH275 is interchangeable with or cross-references to these part numbers:

63P137610000Nikki EAT152Yamaha 63P-13761

What vehicles use the Bosch CDH275?

Yamaha F150 4-stroke V4 outboard — CDH275 is the Nikki manufacturer designation for the 63P-13761-00-00 OEM injector (same as capture #10)

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 Bosch CDH275 injector?

The Bosch CDH275 is used in Yamaha F150 4-stroke V4 outboard — CDH275 is the Nikki manufacturer designation for the 63P-13761-00-00 OEM injector (same as capture #10).

Can you clean and test a CDH275 injector?

Yes. We ultrasonic-clean, backflush, and flow-test the Bosch CDH275 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 CDH275 flow at?

On our bench, 4 CDH275 injectors averaged 42.25 ml open flow before cleaning and 50.25 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 CDH275 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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