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    Pilot Screw Plug Removal

    Recently bought a 2004 50HP 2 stroke (Model # 50TLRC) on eBay. Motor has obviously been sitting for a long time. It runs fine at WOT, but is hard to start and idles poorly. I have changed the plugs which helped a little, but not much. I am assuming that the carbs are gummed up and I have a carb...
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    Trim Sender Adapter Part Number?

    I recently replaced my 1999 40HP 2-stroke (Model# C40TLRX) motor with a 2004 50HP 2-stroke (Model# 50TLRC). I have a Yamaha Multi-Function Tach (part# 6Y5-8350T-82). I bought the tach and harness on eBay, it did not come with the motor and I believe it is newer than the motor because it has the...
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    Emergency Starter Valve Position

    Motor is a Yamaha 1999 40HP, non oil injected (model C40TLRX)with an aftermarket outboard jet lower unit. It has the Prime Start for cold starting. It has what the owners manual calls an "emergency starter valve" which is controlled by a small red colored lever on the middle carb. This...
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    Yamaha 40 synch & link questions

    My motor is a Yamaha 1999 40HP, non oil injected (model C40TLRX) that I bought used last fall. I swapped out the lower unit with an aftermarket jet kit. I didn't change any adjustments since the motor started, ran and idled well, although the idle was a little higher than spec. <br /><br />When...
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    Yamaha Multi-Function Tach Dip Switch Settings

    I have a 1999 Yamaha 40HP, 2 stroke (model# C40TLRX)<br /> I recently acquired a used Yamaha Multi-Function Tach (part# 6Y5-8350T-82) along with the wiring harnesses on eBay, there were no instructions with the Tach. By using searches on this site, I have determined that the correct settings for...
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