I've owned it 2 years now.......what an awesome motor..love the sound and the power. Couple questions tho. I have it on an 03 tr-21.wot 82 MPh..anyway I get more speed? Lol.. the past 2 times I've went fishing it kinda has a low idle..maybe even a lil rough..I think a plug change would fix this..any ideas?
YOu should change your spark plugs at the beggining of each year for optimum performance...
Other items to consider:
-FUEL INJECTOR SERVICE (see: http://www.europeanmarine.org/injectorservice.html )
-REEDS (Inspect, replace if damaged, worn, or excessive standoff)
-Exhaust Tuner- See: http://www.bbcboards.net/zerothread?id=637339
-Other mods discussed at: http://www.bbcboards.net/zerot...-mods
Dual Mercury Master Technician- for Mercury Outboards, Mercruiser and Mercury Racing at European Marine in Greenville, SC.
Still consider myself a "Marine Apprentice" after 48 years (learn something new every day).
Mercury Parts, Mercury Outboards, Smartcraft & Accessories, Injector Service, TDR Reeds- BBC Sponsor
Changing them on my next day off... and my fuel line..read some bad stuff bout the ethanol! !!!
The 03 TR-21 is a great boat. The best mod for the money will be one of the following. Allison, Bullet or Stroker.
By the way 82 in that boat is hauling the mail for sure. Be happy with way you have and don't touch that motor as for as mods go.
JMHO.
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