daniel g
08.05.2021 16:57:10
IN THE BOX FOR HONDA FROM 2.3 HP TO 20 HP
See full version: 2020 Evinrude 6 HP E6RG4 Outboard Motor
IN THE BOX FOR HONDA FROM 2.3 HP TO 20 HP
IN THE BOX FOR SUZUKI FROM 30 HP TO 90 HP [links]
IN THE BOX FOR YAMAHA FROM 75 HP TO 425 HP
Limited 3-year warranty (Official Warranty)
Fuel Additive
In-Line Fuel Filters
Fuel Filter Elements
Owner's Manual & Tool Kit
Fuel Tanks
Pre-Made Fuel Lines
Fuel Line Fitting / Connectors
Water Pump Repair Kits
4-Stroke Oil
Oil Filters
Gearcase Lube
Replacement Propellers
Spark Plugs
Anodes / Trim Tabs
Accessories-Covers & Security
Electrical Accessories
Carburetor Repair Kits
Rigging – Twin Applications
Yamaha Outboard OEM Multi-Function Gauge Tach Tachometer
Genuine Yamaha Outboard Remote Control Box with Power Trim
Garmin GPSMap 922xs GMR 18HD Bundle
Yamaha Marine - Digital network Gauge
Service Manual
Yamaha 6YC-83710-03-00 6YC Multi Display
Yamaha Outboard Tiller Handles
Yamaha Control Box
Outboard Motor Cover
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2) Pressure in the combustion chamber at time of spark discharge - Depends on compression and aspiration of the engine. High compression engines and engines with forced induction have higher combustion chamber pressures at time of spark discharge. Higher cylinder pressure requires higher voltage for the spark to occur. here
Generally the applications with low cylinder pressures (low compression ratio) running lean A/F (Air/Fuel) mixtures have large recommended gap (around .050"), and applications with high cylinder pressures (high compression, forced induction - turbo, supercharged, nitrous applications. ) require spark plug gap smaller than .032". The dense A/F mixture is much harder for spark to penetrate, and require much higher voltage (pressure). Higher fuel concentration has the same effect (lower A/F ratio). That reason is why high power vehicles (1,000 horspower and more) often run a spark plug gap as small as .016". Some applications such as ProMod turbo cars using M1 fuel frequently run a spark plug gap as small as .012", even though they are equipped with some of the highest output ignition systems providing in excess of 60,000 Volts high current and high mJ power output. more
Most Brisk and other manufacturer sparkplugs are preset to around 0.75mm - 0.8mm. If your spark plug part number has no trailing digits then (for most part numbers) it will be preset to this specification. The exception are for example spark plug part numbers with gap that does not need to be adjusted and can not be changed, such as Brisk Premium Multi-spark plugs, Brisk Premium LGS Spark Plugs, Brisk Premium LGS-T spark plugs, Brisk Extra Turbo Spark Plugs and some others. The "-T" indicate LGS style spark plug with a Tighter gap than standard LGS style spark plug and should be used on applications where the recommended gap setting is less than .032"., Brisk Extra Turbo Spark Plugs and some others. If there are trailing numbers after the part number, then the gap should be specifically set as per the manufacturer's part code designation (e.g. Brisk RR15IRY-7, gap size is 0.7 mm, Brisk GOR15YTE-3, gap size is 1.3mm NGK BKR6E-11, gap size is 1.1mm, Denso T16EPR-U15, gap size is 1.5mm, Champion RC10YC4, gap size is 1.0mm). Part numbering for Brisk, NGK and Denso spark plugs is reasonably logical with the trailing digits transposing directly into size in mm. For Champion spark plugs it is a little less logical and is as listed below:
Sometimes customers wonder, why there is so many different spark plug gap firing configurations. The reason is, that in order to get the best possible performance, the spark plugs have to be carefully matched with the appropriate application and intended use. The like to be "experts" often say that there is no difference in spark plugs, and that the mixture either gets ignited or not. They can not be further from the truth! Even standard vehicle Modern OBD-II (On Board Diagnostic) engines can determine from a simple crankshaft position sensor the angular speed of the crankshaft. Mounted on the crankshaft is a trigger wheel that has many teeth, as the crankshaft spins, this wheel inducts a pulse when each tooth passes the sensor. If every cylinder generates exactly the same amount of power, than the time between each pulse is in the same pattern. However if one cylinder produces slightly less power, the time between the corresponding pulse is slightly increased. This is calculated as a % of misfire. Modern engines often turn the check engine light on with a misfire code (generally P03xx) with corresponding cylinder number when only as little as 10% misfire occurs, which is far before anyone will even feel that something is wrong or even think that a misfire is occuring. more
When changing the spark plugs, always ensure that the spark plug threaded portion of the shell (from the spark plug seat) is same length (or very close to) the O.E. spark plug.
Reviewed by Ronli ( Tyler, Minnesota, USA ), reviewed for Boat Performance Spark Plug for Mercruiser Scorpion 377 Stern Drive V8 Chevrolet Small Block from 0L416146 – Monday, 7:44 AM
4 of 9 people found this review helpful.
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5 of 5 people found this review helpful. more
Very quick shipping, good service!
3 of 3 people found this review helpful. more