Veefer800Canuck Posted April 14, 2013 Share Posted April 14, 2013 Tire sizes vary from Mfgr to Mfgr. They often list the tire specs on their websites, but you also have to account for the "measuring rim" width. When installed on a rim that is wider or narrower than the "measuring rim", the tire will then also be somewhat narrower or wider. Where is the tire rubbing Timmy? With my '86 750, I has to clearance the brake torque arm, and take it from a ][ shape to an I[ shape right where the leading edge of the tire was. That was a 160/60-17 also. Link to comment Share on other sites More sharing options...
SEBSPEED Posted April 14, 2013 Share Posted April 14, 2013 My VF750 takes a 160 rear... Link to comment Share on other sites More sharing options...
timmythecop Posted April 14, 2013 Author Share Posted April 14, 2013 rubbing on the chain AND the swingarm. In the words of Monty Python it is "Right out !" But on a postive note, new wheel bearings are in Brake torque arm made time for a very brief rest, drinks and Game of Thrones Link to comment Share on other sites More sharing options...
Veefer800Canuck Posted April 14, 2013 Share Posted April 14, 2013 I spy with my little eye: Something that is Flat Black. Link to comment Share on other sites More sharing options...
timmythecop Posted April 14, 2013 Author Share Posted April 14, 2013 I spy with my little eye: Something that is Flat Black. yeah...she darkened up a little in the sun Link to comment Share on other sites More sharing options...
Auspanglish Posted April 15, 2013 Share Posted April 15, 2013 oh say you didn't... Link to comment Share on other sites More sharing options...
Veefer800Canuck Posted April 15, 2013 Share Posted April 15, 2013 rubbing on the chain AND the swingarm. In the words of Monty Python it is "Right out !" Maybe a 150/70-17 would clear. The Dunlop site says that a RoadSmart 150/70 is 6" wide, and is suitable for a 4.00" or 4.50" wide rim, whereas the 160/60 is 6.25" wide and suitable for a 4.50" or 5.00" rim. The 150/70 would be 2.9% taller than the 160/60 Tire Size Comparison Specification Sidewall Radius Diameter Circumference Revs/Mile Difference160/60-17 3.8in 12.3in 24.6in 77.2in 821 0.0%150/70-17 4.1in 12.6in 25.3in 79.4in 798 2.9% The 150 as compared to the stock 18" tire and wheel: Tire Size Comparison Specification Sidewall Radius Diameter Circumference Revs/Mile Difference110/90-18 3.9in 12.9in 25.8in 81.0in 782 0.0%150/70-17 4.1in 12.6in 25.3in 79.4in 798 -2.0% Link to comment Share on other sites More sharing options...
Veefer800Canuck Posted April 15, 2013 Share Posted April 15, 2013 Michelin Pilot Road II and III come in a 150-70-17 size. They say 5.94" width. Bridgestone says 156mm width for a BT023 of the same size, or 6.14" Link to comment Share on other sites More sharing options...
Member Contributer InvisibleCities Posted April 15, 2013 Member Contributer Share Posted April 15, 2013 ^ good intel. I have a hunch the BT023 would prove be too wide for the 500. Link to comment Share on other sites More sharing options...
timmythecop Posted April 15, 2013 Author Share Posted April 15, 2013 I got a couple of straight edges and measured the actual width of this Dunlop. It is 6 7/8 inched wide. I still find it odd that the old 170 in there just barely fit, and the new 160 in no way fits. Link to comment Share on other sites More sharing options...
Member Contributer CornerCarver Posted April 15, 2013 Member Contributer Share Posted April 15, 2013 GAHH! I cant believe that flat black horror and yet still I see a red top hat of a fender perched above the front tire...no accounting for taste. Major Kudos on the great result with the jetting, suspension, wheels and other work though! I can hardly wait to hear it would like to publicly ask for a reserve spot in line to whip it up and down a short section of 28 in May. Will there be a carny barker or just you selling ride tickets? Link to comment Share on other sites More sharing options...
timmythecop Posted April 15, 2013 Author Share Posted April 15, 2013 GAHH! I cant believe that flat black horror and yet still I see a red top hat of a fender perched above the front tire...no accounting for taste.already sorted I'm thinking of just ordering a 150/70 PR2 and being done with it. Link to comment Share on other sites More sharing options...
timmythecop Posted April 16, 2013 Author Share Posted April 16, 2013 I was feeling guilty as today was the first day since purchase that I didnt turn a single bolt on this thing. So I ran into the shed and put another 3 hours into it. Steering lock is sorted by removing half of the cast-in stops on the lower triple. I figure the worst that can happen is that they snap off, and then I will drill and tap for an allen head bolt. The lock-to-lock is now very close to stock with maybe a few degrees less, but nothing hits the fairing or the tank. I thought about putting tapered rollers in the neck, but the previous owner put in new balls right before he parked this thing, so I am not worried. Shame that he also put on new fork seals in a set of forks I wont be using. Maybe I will chuck that front end on my project CB400. Now it is down to rear tyre fitment and petcock woes. (and anything that crops up) I should be putting on test miles this weekend. Link to comment Share on other sites More sharing options...
SEBSPEED Posted April 16, 2013 Share Posted April 16, 2013 Excellent. What's going on(or not going on?) with the petcock? Link to comment Share on other sites More sharing options...
Member Contributer InvisibleCities Posted April 16, 2013 Member Contributer Share Posted April 16, 2013 If you need to rework the stops here is a nifty idea: Link to comment Share on other sites More sharing options...
timmythecop Posted April 16, 2013 Author Share Posted April 16, 2013 petcock is leaky. I have another one on the way and I have a good idea if that one fails too. There is no fuel pump on this bike, so any valve will have to be made ready for gravity feed. I just ordered a Pilot Road 2 in 150/70 17, and I have a Pilot Power for the front. Link to comment Share on other sites More sharing options...
Veefer800Canuck Posted April 16, 2013 Share Posted April 16, 2013 I'm hopeful that it fits. Link to comment Share on other sites More sharing options...
Member Contributer InvisibleCities Posted April 16, 2013 Member Contributer Share Posted April 16, 2013 If need be, it is possible to rebuild the VF500F petcock using some Yankee ingenuity. Keep in mind the '84/'85 petcock is a different design compared to the '86 (tanks are different too). While the '84/'85 did use a fuel pump (the '86 did not) all years work fine as a gravity set-up. Link to comment Share on other sites More sharing options...
timmythecop Posted April 16, 2013 Author Share Posted April 16, 2013 If need be, it is possible to rebuild the VF500F petcock using some Yankee ingenuity. That is happening right now. I have a few options, so I haven't given in to despair yet. As she sits this moment. I hear that a well set up 500 ususally dynos at near 52-53 BHP, and around 425 pounds on the road. I prolly lost an HP or two with the exhaust, but one can hope, right? I am shooting for 55 BHP and 350 pounds. If that happens, it should be in SV650 territory as far as power to weight. Link to comment Share on other sites More sharing options...
Member Contributer Switchblade Posted April 16, 2013 Member Contributer Share Posted April 16, 2013 Power: 70.00 HP (51.1 kW)) @ 11500 RPM 51.1 Kilogram-Meter = 369.606993 Foot-Pounds Yeah 350 close enough. Link to comment Share on other sites More sharing options...
Member Contributer InvisibleCities Posted April 16, 2013 Member Contributer Share Posted April 16, 2013 Or you could go this route: On a side note, I've ask Joe to join the forum. Amazing to see a turbocharged VF500F engine (with 45k miles on the clock) setting land speed records 26 years after rolling off the assembly line! Link to comment Share on other sites More sharing options...
Member Contributer YoshiHNS Posted April 16, 2013 Member Contributer Share Posted April 16, 2013 Wow. 20HP loss between engine and wheel? Or is the HP rating inflated? Sure didn't feel like it when I rode one. Felt more powerful than the SV650 I rode. Link to comment Share on other sites More sharing options...
Member Contributer InvisibleCities Posted April 16, 2013 Member Contributer Share Posted April 16, 2013 For reference: Link to comment Share on other sites More sharing options...
timmythecop Posted April 16, 2013 Author Share Posted April 16, 2013 so with my full pipe I will just use "50" as my HP number until it is ever dyno'ed (no rush to do this) a 3 week comparison before: after Link to comment Share on other sites More sharing options...
Veefer800Canuck Posted April 16, 2013 Share Posted April 16, 2013 Gained a "little" ride height??? Link to comment Share on other sites More sharing options...
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