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02.05.2021 15:11:01
• It is very important to refer to your engine's Owners Manual for important safety precautions when installing a propeller.
See full version: Yamaha 25hp, F25 4-Stroke Propellers
• It is very important to refer to your engine's Owners Manual for important safety precautions when installing a propeller.
• ** Disclaimer: Pitch estimates and propeller selections made by this prop finder are provided only as a general reference and may not be correct for specific boats under actual boating conditions. By using this prop finder, you agree that the Solas Science and Engineering Company, Ltd, its dealers and other host entities do not accept any liability and are not responsible for harm to persons or property, damages or costs caused by the installation, handling or use of an indicated propeller or hardware.
• Wide open throttle RPM, with boat on the water in forward gear under normal loading conditions, should fall within the range that is recommended by the engine manufacturer and not exceed the recommended maximum. This is important in determining a suitable propeller pitch. When in doubt, dealer assistance is suggested. here
Re: Yamaha 25HP 4-Stroke Prop Question here
Mike,<br /><br />Did you hook up a permanent tachometer or already have one in the boat? A buddy just bought a little boat with a new 25HP Yammi and we're wondering if we're getting the right performance out of it. No tach yet so we're clueless. [links]
I have a permanent tach. The boat has a small center console (big boat dreams on a little boat budget). I also have a pretty decent GPS/Map/Depth Finder (with an external antenna) so I know my speed as well.<br /><br />My gut feeling is that a 2-stroke has more torque than a 4-stroke but the 4-stroke is quieter and cleaner to operate. I don't know if that is right or not though.<br /><br />I bought the 10-1/2" x 11" prop. Since it was the "smallest" SST that I could find for a 25HP Yamaha I figured that it was better than the aluminum and couldn't be worse than the other SST prop that I have. My aluminum prop has about 10 hours on it and it already looks bad. We have a lot of oyster reefs where I fish.<br /><br />As soon as I have numbers on the 10-1/2" x 11" prop I'll post them. [links]
Another great feature is the ability to fit Yamaha’s exclusive YCOP engine immobiliser, delivering peace of mind by preventing unauthorised engine start-ups. Yamaha 25HP 2 Stroke. The new F25 can be configured with manual or electric start, tiller handle or mechanical steering, and manual or power, trim and tilt options. 25HP Yamaha Outboard more
For the first-time in Yamaha’s four-stroke history, the new F25 comes with battery-less fuel injection – delivering easier starts, better fuel economy and an improved overall operating performance. Yamaha 25HP 2 Stroke. Through smart design, the new compact F25 is now the lightest 25 horsepower outboard in its class – 20Kg lighter than its four-stroke predecessor and less than 10 kg heavier than Yamaha’s 25N two-stroke.
This engine comes packed with additional features including Yamaha’s variable trolling switch which allows anglers to precisely set the engine speed for optimum lure presentation. Yamaha 25HP 2 Stroke. The F25C is not only compatible with Yamaha’s range of command link gauges, but can also be connected to third party multi-function displays, GPS and fish finders. Yamaha 25HP Outboard Price
Freight and shipping damage shall be reported to Albertoutboad customer service within seven (7) calendar days of receipt of goods. It is the purchaser/customer responsibility to note any damage before signing the delivery receipt. If damage has occurred to the outboard, purchaser shall make note of such before signing for delivery. Customer shall not refuse delivery of the outboard based on damage. In the event of shipping or freight damage, customer shall keep and safeguard all factory packaging, including, but not limited to, all external packaging, all internal styrofoam, bubble wrap, and cardboard supports. In the event a product was damaged during shipment and proper and timely notification was given to Albertoutboard, Albertoutboard will file a damage claim with the carrier. Damage or loss of goods that are outside the control of Albertoutboard is not to be considered basis for waiver of the cancellation and refused shipments provision contained herein. [links]
OK. All the carbs were gunked up. Floats work as they should. Got it running and it does run better, but has a miss/backfire through the prop on initial startup. [links]
but I hope you got it running properly with no more problems
Hoping someone here can point me in the right direction. more
I drained the gear oil, replaced the spark plugs, replaced the prop, replaced the main oil, new gas filters etc.
Road the boat for about 2 hours yesterday and she did well and then the outboard started feeling sluggish. It would all of a sudden get power again and then slug again so I trailered her home. Acted almost like it was flooding. Pulled the cowl and sure enough fuel is spitting out the top of the outboard.
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