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Secondz Aw
Why is it that people with Busaâs swear they have been 200mph on their stock or slightly modded bikes. For starters, the bikes are restricted to 186mph. Also, pretty much every sport riding publication has tested both Busaâs and ZX-14âs WITHOUT restrictions and couldnât reach 200mph, most of them never even broke 190mph. Cycle World Magazine claimed to have reached a top speed on a 99 un-restricted Busa of 194 mph, but the closest any other national publication got was 190 mph on the 99 un-restricted model. Remember were talking about professional riders on closed courses, not some kid at bike night who thinks the freeway is his personal drag strip.
Another problem that people donât seem to want to except is that unless the speed your going has been GPS or LIDAR verified, your NOT going that speed. The big 4 motorcycle manufacturers, Independent groups and the prominent Magazines all will and do tell you the same thingâ¦â¦The Speedoâs on the bikes are off. Now they wont say how much, most will down play the numbers to 1-3%, but even if thatâs all it was, at 186 mph (less the 3 percent) your actual speed would be 180.4 mph. However most independent studies have confirmed that the number is actually more like between 6-9%. ( which would mean your speedo 186mph is really 11.1-16.7 less that in actual mph).
Its funny, but people seem to think the rule of physics donât apply to them when the straddle a Sportbike. To even reach 190 mph you have to beat the physics of what it takes to reach that speed. For exampleâ¦â¦.The Coefficient drag, Aerodynamic drag, tire growth at speed due to increased pressure when it heats up, amount of grip a the pavement has, amount of slippage a tire has (tire slip increases with speed due to aerodynamic drag. The wheel may be spinning at a certain speed but the bike is not.), relative humidity, Esoteric cooling, head or cross winds, rolling resistance, internal resistance and certainly the size of the rider. The bigger the rider, the more amount of drag he/she will generate.
Super Street Bike Magazine took a 2nd Gen Busa to Hondaâs 7 mile oval test facility in the Mohave desert with hopes of cracking 200 mph. The rider was over 6 foot, 200 plus lbâsâ¦kinda your âevery guyâ rider. They modded the busa as follows : KR Tuned full exhaust, PC III, Quick shifter, K&N Filter, TRE and a +25hp shot of NOS. The Busa cracked the dyno at just over 207 hp and the best run they picked up was 194.2 mph.
Now Brocks Performance was able to crack 200mph on a âlesser moddedâ 2nd gen Busa, but even that is pushing it. They ran full exhaust, PC III, custom mapping, performance filter, specialized on board computer, a team of data analysts on the side, special bearings, lighter wheels, custom made chain, custom made sprockets, modified air boxâ¦â¦.but yes they did reach just under 202 mphâ¦â¦lol
I just donât get how people can say they went 200 mph on stock or lightly modded bikes, when the data clearly shows time and time againâ¦..you cant.
If you havenât had major engine work done, arenât running a turbo or serious NOSâ¦..give it upâ¦.Next time you think your stock or slightly modded Busa or 14 is getting 200 mph, go to the Texas Mile or to Maxtonâ¦..tell them youâre here to join the 200 clubâ¦see how well that works out for youâ¦..Iâm sure they could use a good laugh.
Your STOCK Hyperbike or 1000 isnt doing 186, your 750 isnt doing 186, your 600 might not even make 160 ACTUAL mphâ¦â¦stop living the lieâ¦.your just making yourself look stupid.
As a sport rider myself I get so tired of hearing this âI did 200 or 190 crapâ from kids who donât even know how to balance a check bookâ¦..I canât be the only one can I?
Answer
You are right on! I used to hear a lot of guys brag, but not so many now. Very few bikes or cars on the road will actually get over 190 mph, I have a good shut down for any braggers, as I have a 200 mph Bonneville record,on a dual engined Kawasaki, (record set in 1979, non believers can look up the record). Best one way was 206.351,on return, with slight tail wind. Down run was only about 194, with a head wind. Tach was 1000 rpm higher on the down run. In 1981, the bike was named "The High Speed Ditch Witch" by another competitor, he got his front tire in a little ditch I dug, and could not get out for 3 miles. In still air, moderately dry salt, top speed was limited to about 204, then wheel spin set in. You get into the same type problems on normal highway, traction is not as critical on highway, but you will still get some slippage, many things combine to determine top speed. With a fairing on the old bike, I had one pass, 3 mph headwind, 209mph. Without fairing, would have been about 200mph, at 1000 rpm more.
Hope this sheds a bit of light on the high speed quirks of the sport.
Tomcotexas,
You are right on! I used to hear a lot of guys brag, but not so many now. Very few bikes or cars on the road will actually get over 190 mph, I have a good shut down for any braggers, as I have a 200 mph Bonneville record,on a dual engined Kawasaki, (record set in 1979, non believers can look up the record). Best one way was 206.351,on return, with slight tail wind. Down run was only about 194, with a head wind. Tach was 1000 rpm higher on the down run. In 1981, the bike was named "The High Speed Ditch Witch" by another competitor, he got his front tire in a little ditch I dug, and could not get out for 3 miles. In still air, moderately dry salt, top speed was limited to about 204, then wheel spin set in. You get into the same type problems on normal highway, traction is not as critical on highway, but you will still get some slippage, many things combine to determine top speed. With a fairing on the old bike, I had one pass, 3 mph headwind, 209mph. Without fairing, would have been about 200mph, at 1000 rpm more.
Hope this sheds a bit of light on the high speed quirks of the sport.
Tomcotexas,
What kind of oil does a Honda shadow take?
Seth
I just bought a 93 honda shadow 600 vtwin vlx. It has about 30k miles on it. The previous owner had it sitting a while and I'm not sure when the last time it was serviced was so i'd like to change out all the fluids. Thing is this is my first bike and I don't know the first thing about maintaining a bike. So what kind of fluids do I need? As in what oil weight, and does this model have a filter? The guy at the shop said some do, some don't. I couldn't find one. Also what kind of coolant, brake fluid, etc might I need? The biggest downside of the bike is it didn't come with the owners manual.
Answer
I use Rotella T Full Synthetic 5w40 in my '95 VLX.
No, this bike does NOT have a cartridge type oil filter, it has a spin-on. The oil filter is under the left side of the engine, near the rear, about where the side stand mounts. I use this Big Bike Parts wrench to remove the filters from my Hondas.
I use either a Purolator "Pure One" PL14612, or the Walmart Super Tech cross-over.
http://www.bigbikeparts.com/images/press%20release%20pics/4-201.jpg
Use DOT 4 brake fluid and Prestone coolant mixed 50/50 with filtered water.
I bought a Haynes manual. Maybe these guys can steer you on to an owners manual.
http://vlxriders.20m.com/index.html
Almost every bike has a removable oil filter, a very few have a screen. Find a different shop, "the guy" doesn't know bikes.
I use Rotella T Full Synthetic 5w40 in my '95 VLX.
No, this bike does NOT have a cartridge type oil filter, it has a spin-on. The oil filter is under the left side of the engine, near the rear, about where the side stand mounts. I use this Big Bike Parts wrench to remove the filters from my Hondas.
I use either a Purolator "Pure One" PL14612, or the Walmart Super Tech cross-over.
http://www.bigbikeparts.com/images/press%20release%20pics/4-201.jpg
Use DOT 4 brake fluid and Prestone coolant mixed 50/50 with filtered water.
I bought a Haynes manual. Maybe these guys can steer you on to an owners manual.
http://vlxriders.20m.com/index.html
Almost every bike has a removable oil filter, a very few have a screen. Find a different shop, "the guy" doesn't know bikes.
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