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How to read serial #'s

loosenut

Member
Getting an '04 yam 50hp 4 stroke. This is what was found for Ser#'s. Three different areas on the plate.
62YF50TLRC
L1006609
T
Also what spark plugs are recommended? New to the 4 stroke scene. Planning on changing oil, plugs, lower unit fluid, and anything else recommended when i get it.
Thanks
 
62yl-1006609 is the s/n
F50TLRC is the model
Change the thermostat, water pump kit, and fuel filter. Be careful with the t-stat screws. Easy to break and frequently stuck.
Adjust and inspect the timing belt.
Adjust the valves.
Run a shock treatment of Ringfree and change the oil again.
Maybe better to wait on the valve adjustment until after the Ringfree.
 
Forgive my lack of humility when I say I am not mistaken. You may be misinterpreting some thing or getting wrong information.
 
As the Lord himself quoth, answering st. Peter's question: "Lord, how oft shall my brother sin against me, and I forgive him? till seven times?
Jesus saith unto him, I say not unto thee, Until seven times: but, Until seventy times seven."
So you are forgiven your lack of humility, as far as it is in my power. My Swedish though is fluent and information trustworthy.
 
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