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300 R torqmaster blowout

What speed is the torqmaster lower unit on a 300R 4stroke capable of before blowout will become a concern?  Boat is a triton  21 bass boat about 1.25 below pad frequently touching 90 MPH.  I have another prop that is capable of a couple more MPH but ...

Logan by Guest Contributor
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Mercury 300R motor

Hi, I'm looking to purchase a new 300R with factory steering tie bar, speedmaster gearcase, 1.75 gearsAnyone have anything for sale?Thank you,Paul Dawson 608-780-3967    

Pauldawson by Guest Contributor
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Repower/Upgrade questions 300R - 400/400R

After just a very satisfying year with the twin 300R's on my Marlin 350 FS (35' deep V Center console, non stepped Hull, engines sit at 27" c-c, current top speed 52.8knots (fine tuned toe, trim & props turning out, Bravo1 20" FS) ,cruise 35-37knots)...

Rouven036 by Guest Contributor
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400R v10

I am buying a new Ranger 621fs pro, looking to power it with the new 400R v10, does anyone know if there will be a big difference with this motor compared to the standard 400 Verado v10, thx.

kloecker by Guest Contributor
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Triple 300R AMS SportMaster rear factory tie bar...

Dealer sold me twin 300R AMS SportMaster lower with factory rear tie bar for my 36 foot offshore V Mono Hull Stating that he will get me 3rd center engine in 30” XXL lenght (please note this is triple setup), now dealer never came up with 3rd center ...

Gofast by Guest Contributor
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extended warranty on 300R

before i bother my dealer, does anyone have an info on the cost for the extended warranty?  

Turbo by Guest Contributor
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Hows Your Fuel Economy With The R family of Mercury Racing Outboards?

I am super impressed with my fuel economy numbers I am seeing on my Mercury Racing R Applications. What is everyone else seeing? These numbers are boats loaded ready to fish... 36 Yellowfin Triple 300R Eco XP props 1.65 mpg @ 40 mph24 Yellowfin Singl...

DrCatcher by Official Racing Partner
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60R

I’ve been running the 60R since 2020… day in and day out, for over 280 days a year.  I am thoroughly impressed with its reliability, economy and performance in shallow water.  I know there are tons of questions about this new monster… please fire awa...

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Captbenny by Official Racing Partner
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The R family for inshore fishing.

Who is using the R's for inshore fishing.. Does anyone have any questions about application and set up? Benefits and gains?  I'm here.. I use them all. 

DrCatcher by Official Racing Partner
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Mercury Tuning Software

Since Mercury has litigated all of the aftermarket tuning manufacturers from selling modifying software options for their engines, will Mercury be developing its own type of tuning software that could be sold to the Customer?

JJG by Guest Contributor
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Retrofit of cooling water pressure on 300R HD CMS / DTS

Have new 300R HD CMS twin setup on my Marlin 350 FS. Would like to have the cooling block pressure on my simrad go7 with vesselview link. What are the options? Sensor is available seperately, wiring plug not on harness. 

Rouven036 by Guest Contributor
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Resolved! 300R Sportmaster Delay

Hello, I have a 300R 20” sportmaster on order through my dealer, which was supposed to be delivered June 20, but there is an apparent delay because of a possible part shortage. I was wondering if anyone could shed some light on when production and de...

LW by Guest Contributor
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An evolution in competitive fishing

Team ProMarine Fishing Team and Mercury RacingAn evolution in competitive fishingFor over 12 years Team ProMarine has travelled and competed at the highest level in competitive Kingfish events.  Having built a rather stout resume with wins and top 5 ...

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Promarine by Official Racing Partner
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What is your single 450R setup?

Who is running a single 450R and what boat and what is your setup like? For example, jack plate, setback, engine height, prop. etc.  Post performance numbers too. 

JaredPowell by Official Racing Partner
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