Yamaha F200 / F225 4-Stroke Outboard Fuel Injector Cleaning & Flow Testing

The Bosch CDH240 is a MPFI marine fuel injector used in Yamaha F200, F225 4-stroke outboard (2002-2012); Bosch-licensed Nikki injector body. 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	CDH240
Type	MPFI marine
Connector	EV6 (Nikki 4-hole)
	23.8 lb/hr
Published impedance	14.5 Ω

Get This Injector Serviced

Our measured results

These are the actual before-and-after numbers from our flow bench for the Bosch CDH240 — not published estimates.

Tested in our shop	6 injector(s) @ 40.0 psi
Measured coil (avg)	15.12 Ω
10s open flow (avg)	44.5 → 45.17 ml (+1.5%)
60s pulsed flow (avg)	52.33 → 53.0 ml
Leak test after cleaning	6/6 PASS

Also known as / cross-references

The Bosch CDH240 is interchangeable with or cross-references to these part numbers:

Nikki CDH24069J-13761-00-00 (Yamaha OEM)MR507252842-12299

What vehicles use the Bosch CDH240?

Yamaha F200, F225 4-stroke outboard (2002-2012); Bosch-licensed Nikki injector body

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 CDH240 injector?

The Bosch CDH240 is used in Yamaha F200, F225 4-stroke outboard (2002-2012); Bosch-licensed Nikki injector body.

Can you clean and test a CDH240 injector?

Yes. We ultrasonic-clean, backflush, and flow-test the Bosch CDH240 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 CDH240 flow at?

On our bench, 6 CDH240 injectors averaged 44.5 ml open flow before cleaning and 45.17 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 CDH240 injectors

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

Get Started