2015年4月28日 · just bought a new 2015 570, the plug is the NGK MR7F. I've seen where others can't find this plug, I also did a search and can't find a thing on this plug, what is everyone else using for a back up plug or switching over to.

2013年12月12日 · The correct replacement for the Champoin RG6YC is the NGK CPR8E All the 570's took the MR7F except for the Razor which called for a CPR8E The specifications for the MR7F is a 10mm threaded shell, 3/4 inch reach, projected …

2018年3月12日 · MR7F is a plug designed by Polaris and manufactured by NGK - it is a special design that has no exact cross reference - if your engine is under warranty you should run the MR7F - they are only $9.50 MSRP

2015年10月27日 · When I switched to Iridium I called NGK and they told me the best match was CR7EIX which is the the exact heat range match for NGK MR7F.

2021年3月14日 · Based on NGK data correct iridium type would be CPR7EAIX-9 CR9EIX should work but is of wrong heat index and the central electrode is not exposed (projected). Compare the tech specs of MR7F and CPR7EAIX-9 as well as CR9EIX on NGK site (start with MR7F: NGK 95897 MR7F Nickel Spark Plug ) Also take a look at the chart showing the NGK numbering ...

2025年1月27日 · There are 4 spark plugs that are manufactured to the exact specifications of the MR7F MR7F MR8F CPR8E MR9F Based on the CPR8E being an exact match, you extrapolate that a CPR7EIX would be an Iridium replacement for the MR7F. NGK does not manufacturer a CPR7EIX - the closest match is a CPR7EAIX-9 C = 10mm with a 5/8" hex gasket seal threaded ...

2017年11月24日 · Standard plug MR7F in the Scout with a 30k change seems pretty long interval. Anyone switched to the Iridium equivelant CR9EIX ? I have always liked the Iridium plugs, seemed to start easier and idle better in bikes I have owned. Thanks for any feedback.

2014年11月14日 · NGK Spark Plugs MR7F - Free Shipping on Orders Over $99 at Summit Racing I'm also going to try and stick with using the MR7F, because If how well 570 is running with what I " think" is in it.

2016年9月28日 · (Champion RG6YC) According to NGK cross reference they list the CP8RE (7411). I really don't know which would be best. The RG6YC, from what I could find, has a heat range of 6. The MR7F has a heat range of 7 and the CP8RE has a heat range of 8. I might give the MR7F a try next time.

2019年8月9日 · Anyone using NGK CR8EIX Iridium plug or staying with MR7F for Sportsman 570?