That the fuel burns more slowly (relatively) may be true but I doubt that at 78,000 miles your engine has highly worn rings unless you neglect it and ride without an air filter. The Nips make great engines that are just getting broken in at around 100,000 miles. I have taken them apart back when I was working on all sorts of cars cars; I was sick when I took apart a very neglected Toyota engine that swallowed two valves in one cylinder and there was not only no lip at the top, the factory machining was still evident. I've taken apart some of our domestic engines and had to bore out the cylinders twenty to thirty thousandths oversize and fit with new pistons. I suspect your Wing is quite healthy. I also suspect it has a knock sensor. If your engine is designed to use regular, it probably won't run well on the high octane fuel. The slower burn may cause burned valves, especially in a high revving engine. It simply can't burn the fuel in that few milliseconds it has in the chamber, so it's still burning when the exhaust valves open. I poorly adjusted exhaust valve will not be able to transfer enough of the heat to the head and will burn.
Stanley ________________________________ From: "greenzer...@gmail.com" <greenzer...@gmail.com> To: nighthawk_lovers@googlegroups.com Sent: Mon, September 13, 2010 6:48:37 AM Subject: RE: [Nighthawk Lovers] Re: Fuel grades? My guess is that becaue the higher octane gas burns slower, theres longer slower burn in the cylender (insted of a faster pop) causing less pressure and therefore less blow by gasses... This put more energy to the crank then blowing past my worn ot rings.... Its only got 78,000 miles on it now -----Original Message----- Date: Monday, September 13, 2010 12:04:47 am To: "Nighthawk Motorcycle Lovers!" <nighthawk_lovers@googlegroups.com> From: "Stumpi" <sandisc...@gmail.com> Subject: [Nighthawk Lovers] Re: Fuel grades? Ohh an '86? Hummm I wonder why it runs better? -- You received this message because you are subscribed to the Google Groups "Nighthawk Motorcycle Lovers!" group. To post to this group, send email to nighthawk_lov...@googlegroups.com. To unsubscribe from this group, send email to nighthawk_lovers+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/nighthawk_lovers?hl=en. -- You received this message because you are subscribed to the Google Groups "Nighthawk Motorcycle Lovers!" group. To post to this group, send email to nighthawk_lov...@googlegroups.com. To unsubscribe from this group, send email to nighthawk_lovers+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/nighthawk_lovers?hl=en. -- You received this message because you are subscribed to the Google Groups "Nighthawk Motorcycle Lovers!" group. To post to this group, send email to nighthawk_lov...@googlegroups.com. To unsubscribe from this group, send email to nighthawk_lovers+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/nighthawk_lovers?hl=en.
