Yamaha F4C User Manual download pdf (Page 7)

Verify your volts. The marine environment is tough on your

electrical system, and it’s one of the most important. Make sure

it’s up to the task by using Genuine Yamalube

maintenance and

care products and Yamaha-recommended components.

• Don’t forget the battery. Make sure to use the right size and type recommended in your

owner’s or service manual (see chart for general specifications) and that all battery/cable

connections use self-locking nuts (not

old-fashioned wing nuts). Also

consider adding one or more

“house batteries” to power

accessories. Most large Yamaha

outboards (150hp and up) have

separate battery isolator/charging

leads specifically for this purpose.

• We’ve got the goods.

Yamaha offers a complete range of electrical

system care products for the life of your

electrical system. Original-equipment NGK

spark plugs. Yamalube

Yamashield

™

Protectant and Lubricant. Yamalube

Battery Terminal Cleaner and Protector.

Even Yamalube

Contact Cleaner.

Check your propeller. Horsepower does you no good if

you can’t get it to the water effectively. You need a propeller

designed specifically to work with your Yamaha outboard.

You need a Yamaha propeller.

• Yamaha offers a full range of propellers. They’re designed

to help you get the most from your Yamaha outboard.

Large offshore props. High-speed props. Polished stainless

steel props. Painted stainless steel props. High Thrust

™

props.

And cost-effective, lightweight aluminum props.

• Tips on proper propping. Correct propping depends on your

specific application, but a general rule is that your Yamaha outboard

should run at, or very near, its maximum-allowed RPM at wide-open

throttle with an average-to-full load.

• Pick the right prop.

The correct style of Yamaha propeller is vital to the proper operation of your boat.

Make sure you have the one that best suits your type and style of boating.

YamahaOutboards.com and your authorized Yamaha Marine Dealer can help.

• Props need love too. Keep your prop

in good condition and periodically

remove it to check for fishing line.

While you’re there, grease the prop

shaft with Yamalube

Marine Grease

before re-installing the prop.

• Take a walk on our website.

Additional information about Yamaha

propellers, as well as over 1,300

Performance Bulletins on actual boat

and outboard combinations, is available

at YamahaOutboards.com.

Take Charge of Your

ELECTRICAL SYSTEM

The Perfect Prop for Your

BOATING STYLE

Recommended Battery Specifications

ENGINE SIZE MINIMUM BATTERY SPECIFICATIONS

Cold Marine Reserve

Cranking Cranking Capacity

AMPS AMPS (RC)

Engine (CCA) (MCA) Minutes

Type/Horsepower @ 0ºF @ 32ºF @ 25 AMPS

2 Stroke 50 hp and below 245 323 52

2 Stroke 60 ~ 150 380 502 124

2 Stroke 2.6L 150 ~ 200 EFI 380 502 124

2 Stroke 3.1L 200 ~ 250 EFI

2 Stroke 150 ~ 300 HPDI

512 675 182

4 Stroke F25 and below 245 323 52

4 Stroke F30 ~ F115 380 502 124

4 Stroke F150 ~ F250 512 675 182

4 Stroke 5.3L V8 750 950 182

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Yamaha F4C User Manual Page 7

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