Dennis, Thanks for the discussion on tire pressure. I will do some experimentation now with various pressures. I just rode 300 miles yesterday from Golden Bay back down to Christchurch and it was comfortable at 40 and 40 but I haven't anything thus far to really compare against so I'll begin to 'play' with the pressures a bit until I sense what works best for me. The 700SC is a good handler on the many mountain roads I was on yesterday but perhaps a bit lower pressure on the front would give me more of a tacky grip than a hard bounce on the rough bits around the corners. I'll try it and see.
Thanks! Dennis G. Christchurch, NZ -----Original Message----- From: [email protected] [mailto:[email protected]]on Behalf Of Dennis Hammerl Sent: 17 January, 2010 15:08 To: [email protected] Subject: Re: [Nighthawk Lovers] Tire Pressures Original specs show 32 front, 32 rear solo / 32 front, 40 rear w passenger. My preference is based more on feel than anything else. The Avons tend to "skate" and push out for me at any higher pressure in front. Anything below 36 in the rear makes for an uneasy feeling on a cloverleaf. I think that riding style and rider weight would have a lot to do with personal choice. I tend to use the front brakes quite heavily and work the front tire hard. I'm sure that lower pressures would save my internal organs given our mine field road conditions. I just can't take the heavy steering feel from a soft front tire. At least 80% of the bikes I see have under inflated tires. You must not have too many "tar strips" on the roads of NZ. A front tire at 40 should jar your fillings out. Maybe OK on a bike like a CX500 that has a really soft front end. I set my anti-dive at 2 and any more than that becomes downright uncomfortable. A tire's cross section is affected by tire pressure and the manufacturer can only suggest a range because of the different rim widths will change the cross section as well. A pressure too low and it changes during cornering and lower still, will change with each rotation and build up heat. Too high a pressure and the side wall stops "working" as it should. I seem to always dwell on low pressures because that's what we see most of. I'd rather too high than too low. There's no harm in trying a range to find what suits you. Glen mentioned his were 10lbs low. That's dangerous. The sidewalls of some tires indicate a max inflation pressure. That's what should not be exceeded to mount and bead that tire. Exceeding that can cause tire structural damage. Once beaded, refer to owners manual. I like my car tires at 34 which is quite a bit higher than spec. I find wear to be more even at that pressure. Again, rim width comes into play. Fitting a tire that is wider than OEM makes for a change at the tread face. The junkyards are full of cars with tires worn off at the outer edges. This is not intended to be anything more than an observation and personal preference. ---------------------------------------------------------------------------- -- From: Dennis <[email protected]> To: Nighthawk Lovers <[email protected]> Sent: Mon, January 18, 2010 2:07:46 PM Subject: [Nighthawk Lovers] Tire Pressures Dennis H., I saw where you said you run Avons and have them at 34 front and 40 rear. I've got Avons as well and have been running them at 40 and 40 on my CB700SC here. Can you talk abut tire pressure in general and what the trade offs and such are with different pressures? Many thanks, Dennis G. Christchurch, NZ -- You received this message because you are subscribed to the Google Groups "Nighthawk Motorcycle Lovers!" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/nighthawk_lovers?hl=en.--
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