mik60ish Posted August 4, 2005 Report Share Posted August 4, 2005 Which plug do I require for my 05 SY 175 as it says in the book supplied with the bike CR4 HSA, but the bike came with a CR7 HSA which is the one NGK recommend for the TTR 125 engine. This plug must have been fitted to the 143cc engine from Scorpa. So would the CR4 HSA be to hot a plug, and stick with the 7 plug just to carry a spare? What about an iridium option CR7 HIX Quote Link to comment Share on other sites More sharing options...
copemech Posted August 5, 2005 Report Share Posted August 5, 2005 I sent an e-mail to my contact at Scorpa France just for You. He said in the rough translation that it sounded about right! E-m B&J Racing in the States, they can tell you more! Quote Link to comment Share on other sites More sharing options...
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