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Everything Dirt Bike
General Dirt Bike
Nikasil Vs. Steel
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<blockquote data-quote="pierce" data-source="post: 130242" data-attributes="member: 1254"><p>a dirt bike is in much tougher conditions than most street bikes will ever see. try riden your street bike in the dust silt sand mud rock water. get stuck in a rut for 10 min bouncing off the rev limiter with no cooling fan. see how long your street bike lasts in the same conditions as a dirt bike. steel liners have there place . <strong><span style="font-family: 'sans-serif'">Nikasil</span></strong> <span style="font-family: 'sans-serif'">is a trademarked</span> <a href="http://en.wikipedia.org/wiki/Electrophoretic_deposition" target="_blank"><span style="color: #0b0080"><span style="font-family: 'sans-serif'">electrodeposited</span></span></a> <a href="http://en.wikipedia.org/wiki/Lipophilic" target="_blank"><span style="color: #0b0080"><span style="font-family: 'sans-serif'">lipophilic</span></span></a> <a href="http://en.wikipedia.org/wiki/Nickel" target="_blank"><span style="color: #0b0080"><span style="font-family: 'sans-serif'">nickel</span></span></a> <span style="font-family: 'sans-serif'">matrix</span> <a href="http://en.wikipedia.org/wiki/Silicon_Carbide" target="_blank"><span style="color: #0b0080"><span style="font-family: 'sans-serif'">silicon carbide</span></span></a> <span style="font-family: 'sans-serif'">coating for engine components, mainly</span> <a href="http://en.wikipedia.org/wiki/Piston_engine" target="_blank"><span style="color: #0b0080"><span style="font-family: 'sans-serif'">piston engine</span></span></a> <a href="http://en.wikipedia.org/wiki/Cylinder_liner" target="_blank"><span style="color: #0b0080"><span style="font-family: 'sans-serif'">cylinder liners</span></span></a><span style="font-family: 'sans-serif'">.</span></p><p><span style="font-family: 'sans-serif'">Nikasil was introduced by <a href="http://en.wikipedia.org/wiki/Mahle_GmbH" target="_blank"><span style="color: #0b0080">Mahle</span></a> in 1967, initially developed to allow <a href="http://en.wikipedia.org/wiki/Rotary_engine" target="_blank"><span style="color: #0b0080">rotary engine</span></a> apex seals (<a href="http://en.wikipedia.org/wiki/NSU_Ro_80" target="_blank"><span style="color: #0b0080">NSU Ro 80</span></a> and <a href="http://en.wikipedia.org/wiki/Mercedes_C111" target="_blank"><span style="color: #0b0080">Mercedes C111</span></a>) to work directly against the <a href="http://en.wikipedia.org/wiki/Aluminum" target="_blank"><span style="color: #0b0080">aluminum</span></a> <a href="http://en.wikipedia.org/w/index.php?title=Engine_housing&action=edit&redlink=1" target="_blank"><span style="color: #a55858">housing</span></a>. This coating allowed aluminum <a href="http://en.wikipedia.org/wiki/Cylinder_(engine)" target="_blank"><span style="color: #0b0080">cylinders</span></a> and <a href="http://en.wikipedia.org/wiki/Piston" target="_blank"><span style="color: #0b0080">pistons</span></a> to work directly against each other with low wear and <a href="http://en.wikipedia.org/wiki/Friction" target="_blank"><span style="color: #0b0080">friction</span></a>. Unlike other methods, including <a href="http://en.wikipedia.org/wiki/Cast_iron" target="_blank"><span style="color: #0b0080">cast iron</span></a> cylinder liners, Nikasil allowed very large cylinder bores with tight <a href="http://en.wikipedia.org/wiki/Engineering_tolerance" target="_blank"><span style="color: #0b0080">tolerances</span></a> and thus allowed existing engine designs to be expanded easily. The aluminium cylinders also gave a much better <a href="http://en.wikipedia.org/wiki/Heat_conductivity" target="_blank"><span style="color: #0b0080">heat conductivity</span></a> than cast iron liners, an important attribute for a high output engine. The coating was further developed by US Chrome Corporation in the USA in the early 1990s (under the trade name of "Nicom"), as a replacement for hard-chrome plated cylinder bores for Mercury Marine Racing, Kohler Engines, and as a repair replacement for factory-chromed snowmobiles, dirt bikes, ATVs, watercraft and automotive V8 liners/bores.</span></p><p><span style="font-family: 'sans-serif'"><a href="http://en.wikipedia.org/wiki/Porsche" target="_blank"><span style="color: #0b0080">Porsche</span></a> started using this on the 1970 <a href="http://en.wikipedia.org/wiki/Porsche_917" target="_blank"><span style="color: #0b0080">917</span></a> race car, and later on the 1973 <a href="http://en.wikipedia.org/wiki/Porsche_911#911_Carrera_RS_.281973_and_1974.29" target="_blank"><span style="color: #0b0080">911 RS</span></a>. Porsche also used it on production cars, but for a short time switched to <a href="http://en.wikipedia.org/wiki/Alusil" target="_blank"><span style="color: #0b0080">Alusil</span></a> due to cost savings for their base <a href="http://en.wikipedia.org/wiki/Porsche_911" target="_blank"><span style="color: #0b0080">911</span></a>. Nikasil cylinders were always used for the <a href="http://en.wikipedia.org/wiki/Porsche_911#Type_930_.2F_911_Turbo_.281975-1989.29" target="_blank"><span style="color: #0b0080">911 Turbo</span></a> and RS models. Nikasil coated aluminum cylinders allowed Porsche to build <a href="http://en.wikipedia.org/wiki/Air-cooled_engine" target="_blank"><span style="color: #0b0080">air-cooled engines</span></a> that had the highest <a href="http://en.wikipedia.org/w/index.php?title=Specific_output&action=edit&redlink=1" target="_blank"><span style="color: #a55858">specific output</span></a> of any engine of their time. Nikasil is still used in today's 911s.</span></p><p><span style="font-family: 'sans-serif'">Nikasil was very popular in the 1990s. It was used by companies such as <a href="http://en.wikipedia.org/wiki/Audi" target="_blank"><span style="color: #0b0080">Audi</span></a>, <a href="http://en.wikipedia.org/wiki/BMW" target="_blank"><span style="color: #0b0080">BMW</span></a>, <a href="http://en.wikipedia.org/wiki/Ferrari" target="_blank"><span style="color: #0b0080">Ferrari</span></a>, <a href="http://en.wikipedia.org/wiki/Jaguar_Cars" target="_blank"><span style="color: #0b0080">Jaguar Cars</span></a> and <a href="http://en.wikipedia.org/wiki/Moto_Guzzi" target="_blank"><span style="color: #0b0080">Moto Guzzi</span></a> in their new engine families. However, the <a href="http://en.wikipedia.org/wiki/Sulfur" target="_blank"><span style="color: #0b0080">sulfur</span></a> found in much of the world's low quality gasoline caused some Nikasil cylinders to break down over time, causing costly engine failures.<a href="http://en.wikipedia.org/wiki/Nikasil#cite_note-1" target="_blank"><span style="color: #0b0080">[1]</span></a></span></p><p><span style="font-family: 'sans-serif'">Nikasil or similar coatings under other trademarks are also still widely used in racing engines, including those used in <a href="http://en.wikipedia.org/wiki/Formula_One" target="_blank"><span style="color: #0b0080">Formula One</span></a> and <a href="http://en.wikipedia.org/wiki/ChampCar" target="_blank"><span style="color: #0b0080">ChampCar</span></a>. Suzuki currently uses a race-proven nickel phosphorus-silicon-carbide proprietary coating trademarked SCEM (Suzuki Composite Electro-chemical Material) to maximize cylinder size and improve heat dissipation, e.g., on the engine of the <a href="http://en.wikipedia.org/wiki/Suzuki_TL1000S" target="_blank"><span style="color: #0b0080">Suzuki TL1000S</span></a>, <a href="http://en.wikipedia.org/wiki/Suzuki_V-Strom" target="_blank"><span style="color: #0b0080">V-Strom 650</span></a>, and <a href="http://en.wikipedia.org/wiki/Suzuki_Hayabusa" target="_blank"><span style="color: #0b0080">Hayabusa</span></a> motorcycles.<a href="http://en.wikipedia.org/wiki/Nikasil#cite_note-2" target="_blank"><span style="color: #0b0080">[2]</span></a></span></p><p><span style="font-size: 18px"><strong><span style="font-family: 'sans-serif'"><span style="font-size: 19px"><span style="font-size: 13px"><p style="text-align: right">[<a href="http://en.wikipedia.org/w/index.php?title=Nikasil&action=edit&section=1" target="_blank"><span style="color: #0b0080">edit</span></a>]</p><p></span></span></span></strong></span></p></blockquote><p></p>
[QUOTE="pierce, post: 130242, member: 1254"] a dirt bike is in much tougher conditions than most street bikes will ever see. try riden your street bike in the dust silt sand mud rock water. get stuck in a rut for 10 min bouncing off the rev limiter with no cooling fan. see how long your street bike lasts in the same conditions as a dirt bike. steel liners have there place . [B][FONT=sans-serif]Nikasil[/FONT][/B][FONT=sans-serif] [/FONT][FONT=sans-serif]is a trademarked[/FONT][FONT=sans-serif] [/FONT][URL='http://en.wikipedia.org/wiki/Electrophoretic_deposition'][COLOR=#0b0080][FONT=sans-serif]electrodeposited[/FONT][/COLOR][/URL][FONT=sans-serif] [/FONT][URL='http://en.wikipedia.org/wiki/Lipophilic'][COLOR=#0b0080][FONT=sans-serif]lipophilic[/FONT][/COLOR][/URL][FONT=sans-serif] [/FONT][URL='http://en.wikipedia.org/wiki/Nickel'][COLOR=#0b0080][FONT=sans-serif]nickel[/FONT][/COLOR][/URL][FONT=sans-serif] [/FONT][FONT=sans-serif]matrix[/FONT][FONT=sans-serif] [/FONT][URL='http://en.wikipedia.org/wiki/Silicon_Carbide'][COLOR=#0b0080][FONT=sans-serif]silicon carbide[/FONT][/COLOR][/URL][FONT=sans-serif] [/FONT][FONT=sans-serif]coating for engine components, mainly[/FONT][FONT=sans-serif] [/FONT][URL='http://en.wikipedia.org/wiki/Piston_engine'][COLOR=#0b0080][FONT=sans-serif]piston engine[/FONT][/COLOR][/URL][FONT=sans-serif] [/FONT][URL='http://en.wikipedia.org/wiki/Cylinder_liner'][COLOR=#0b0080][FONT=sans-serif]cylinder liners[/FONT][/COLOR][/URL][FONT=sans-serif].[/FONT] [FONT=sans-serif]Nikasil was introduced by [URL='http://en.wikipedia.org/wiki/Mahle_GmbH'][COLOR=#0b0080]Mahle[/COLOR][/URL] in 1967, initially developed to allow [URL='http://en.wikipedia.org/wiki/Rotary_engine'][COLOR=#0b0080]rotary engine[/COLOR][/URL] apex seals ([URL='http://en.wikipedia.org/wiki/NSU_Ro_80'][COLOR=#0b0080]NSU Ro 80[/COLOR][/URL] and [URL='http://en.wikipedia.org/wiki/Mercedes_C111'][COLOR=#0b0080]Mercedes C111[/COLOR][/URL]) to work directly against the [URL='http://en.wikipedia.org/wiki/Aluminum'][COLOR=#0b0080]aluminum[/COLOR][/URL] [URL='http://en.wikipedia.org/w/index.php?title=Engine_housing&action=edit&redlink=1'][COLOR=#a55858]housing[/COLOR][/URL]. This coating allowed aluminum [URL='http://en.wikipedia.org/wiki/Cylinder_(engine)'][COLOR=#0b0080]cylinders[/COLOR][/URL] and [URL='http://en.wikipedia.org/wiki/Piston'][COLOR=#0b0080]pistons[/COLOR][/URL] to work directly against each other with low wear and [URL='http://en.wikipedia.org/wiki/Friction'][COLOR=#0b0080]friction[/COLOR][/URL]. Unlike other methods, including [URL='http://en.wikipedia.org/wiki/Cast_iron'][COLOR=#0b0080]cast iron[/COLOR][/URL] cylinder liners, Nikasil allowed very large cylinder bores with tight [URL='http://en.wikipedia.org/wiki/Engineering_tolerance'][COLOR=#0b0080]tolerances[/COLOR][/URL] and thus allowed existing engine designs to be expanded easily. The aluminium cylinders also gave a much better [URL='http://en.wikipedia.org/wiki/Heat_conductivity'][COLOR=#0b0080]heat conductivity[/COLOR][/URL] than cast iron liners, an important attribute for a high output engine. The coating was further developed by US Chrome Corporation in the USA in the early 1990s (under the trade name of "Nicom"), as a replacement for hard-chrome plated cylinder bores for Mercury Marine Racing, Kohler Engines, and as a repair replacement for factory-chromed snowmobiles, dirt bikes, ATVs, watercraft and automotive V8 liners/bores.[/FONT] [FONT=sans-serif][URL='http://en.wikipedia.org/wiki/Porsche'][COLOR=#0b0080]Porsche[/COLOR][/URL] started using this on the 1970 [URL='http://en.wikipedia.org/wiki/Porsche_917'][COLOR=#0b0080]917[/COLOR][/URL] race car, and later on the 1973 [URL='http://en.wikipedia.org/wiki/Porsche_911#911_Carrera_RS_.281973_and_1974.29'][COLOR=#0b0080]911 RS[/COLOR][/URL]. Porsche also used it on production cars, but for a short time switched to [URL='http://en.wikipedia.org/wiki/Alusil'][COLOR=#0b0080]Alusil[/COLOR][/URL] due to cost savings for their base [URL='http://en.wikipedia.org/wiki/Porsche_911'][COLOR=#0b0080]911[/COLOR][/URL]. Nikasil cylinders were always used for the [URL='http://en.wikipedia.org/wiki/Porsche_911#Type_930_.2F_911_Turbo_.281975-1989.29'][COLOR=#0b0080]911 Turbo[/COLOR][/URL] and RS models. Nikasil coated aluminum cylinders allowed Porsche to build [URL='http://en.wikipedia.org/wiki/Air-cooled_engine'][COLOR=#0b0080]air-cooled engines[/COLOR][/URL] that had the highest [URL='http://en.wikipedia.org/w/index.php?title=Specific_output&action=edit&redlink=1'][COLOR=#a55858]specific output[/COLOR][/URL] of any engine of their time. Nikasil is still used in today's 911s.[/FONT] [FONT=sans-serif]Nikasil was very popular in the 1990s. It was used by companies such as [URL='http://en.wikipedia.org/wiki/Audi'][COLOR=#0b0080]Audi[/COLOR][/URL], [URL='http://en.wikipedia.org/wiki/BMW'][COLOR=#0b0080]BMW[/COLOR][/URL], [URL='http://en.wikipedia.org/wiki/Ferrari'][COLOR=#0b0080]Ferrari[/COLOR][/URL], [URL='http://en.wikipedia.org/wiki/Jaguar_Cars'][COLOR=#0b0080]Jaguar Cars[/COLOR][/URL] and [URL='http://en.wikipedia.org/wiki/Moto_Guzzi'][COLOR=#0b0080]Moto Guzzi[/COLOR][/URL] in their new engine families. However, the [URL='http://en.wikipedia.org/wiki/Sulfur'][COLOR=#0b0080]sulfur[/COLOR][/URL] found in much of the world's low quality gasoline caused some Nikasil cylinders to break down over time, causing costly engine failures.[URL='http://en.wikipedia.org/wiki/Nikasil#cite_note-1'][COLOR=#0b0080][1][/COLOR][/URL][/FONT] [FONT=sans-serif]Nikasil or similar coatings under other trademarks are also still widely used in racing engines, including those used in [URL='http://en.wikipedia.org/wiki/Formula_One'][COLOR=#0b0080]Formula One[/COLOR][/URL] and [URL='http://en.wikipedia.org/wiki/ChampCar'][COLOR=#0b0080]ChampCar[/COLOR][/URL]. Suzuki currently uses a race-proven nickel phosphorus-silicon-carbide proprietary coating trademarked SCEM (Suzuki Composite Electro-chemical Material) to maximize cylinder size and improve heat dissipation, e.g., on the engine of the [URL='http://en.wikipedia.org/wiki/Suzuki_TL1000S'][COLOR=#0b0080]Suzuki TL1000S[/COLOR][/URL], [URL='http://en.wikipedia.org/wiki/Suzuki_V-Strom'][COLOR=#0b0080]V-Strom 650[/COLOR][/URL], and [URL='http://en.wikipedia.org/wiki/Suzuki_Hayabusa'][COLOR=#0b0080]Hayabusa[/COLOR][/URL] motorcycles.[URL='http://en.wikipedia.org/wiki/Nikasil#cite_note-2'][COLOR=#0b0080][2][/COLOR][/URL][/FONT] [SIZE=5][B][FONT=sans-serif][SIZE=19px][SIZE=13px][RIGHT][[URL='http://en.wikipedia.org/w/index.php?title=Nikasil&action=edit§ion=1'][COLOR=#0b0080]edit[/COLOR][/URL]][/RIGHT][/SIZE][/SIZE][/FONT][/B][/SIZE] [/QUOTE]
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