Some tuners have a problem with fuel diluting the oil due to an engine that is simply running too cold all the time. Not only does it make the machines run too rich fouling plugs and causing very poor fuel economy but it also results in diluting the oil with gasoline, which causes premature engine wear & bearing failure. The Champion RC7PYCBX This Platinum plug is used in the Turbo Off-road & FST SNOW engines. It has a projected hotter nose than the RC7YC to decrease plug fouling. Part# CHR-BX. RC7PYCB Champion sparkplug. This is a Platinum tip sparkplug, and is used in most Hydrospace and Turbocharged Weber engines. Part# CHR-PY7. RC7YC3 Normally Aspirated Sparkplug This Champion sparkplug is used in the Redline ATV, FS SNOW engines and most normally aspirated Weber engines. Part# RC-NA7. NGK BKR8EIX Iridium This sparkplug is an excellent choice if you are looking for a colder heat range. Part# 8EIX. NGK BKR9EIX Iridium. This sparkplug is an excellent choice if you are looking for a colder heat range. Part# 9EIX. Get in to Weberpower.com to check the price and availability of all those plugs listed above. Also, Weberpower.com offers for S4 the Nippon Denso IK-27 Iridium spark plugs for $12.50 each.
