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Honda's mid 90's vintage [[Honda CBR250|Honda CBR250RR]] had a reputed redline of 19,000, but the tachometer was up to 5% optimistic <ref>{{cite web |url=http://www.cbr250.com/cbr250/forum/topic.asp?TOPIC_ID=17819 |title=Is the Tacho Accurate? |accessdate=2009-03-22 |format=HTML |language=English}} </ref>- and it was well known that other manufacturers also had tachometers on different models that commonly read 5% to 10% higher than true engine rpm.
Honda's mid 90's vintage [[Honda CBR250|Honda CBR250RR]] had a reputed redline of 19,000, but the tachometer was up to 5% optimistic <ref>{{cite web |url=http://www.cbr250.com/cbr250/forum/topic.asp?TOPIC_ID=17819 |title=Is the Tacho Accurate? |accessdate=2009-03-22 |format=HTML |language=English}} </ref>- and it was well known that other manufacturers also had tachometers on different models that commonly read 5% to 10% higher than true engine rpm.


Most engine tuners already knew that there was an inflation factor usually built into most stock tachometer rpm displays, and the "tachometer redline furor" was mostly confined to journalists and chat rooms.
Most engine tuners already knew that there was an inflation factor usually built into most stock tachometer rpm displays, and the "tachometer redline furor" was mostly confined to journalists and chat rooms........this bike is mad alpha i just ride around and puck up mad tarps and do 90 on their beef curtains, then just veg out and smoke a cohiba and drink a large dub dub


==Specifications==
==Specifications==

Revision as of 14:32, 2 April 2009

Yamaha YZF-R6
ManufacturerYamaha
Also calledR6
Production1999 - present
PredecessorYamaha YZF600R
ClassSport bike
RelatedYamaha YZF-R1

Yamaha's YZF-R6 is a Template:Auto cc-cu in sport bike, first introduced in 1999, updated in 2001, 2003, 2006, 2008 and revised in the years in between. The 2007 model had a Template:Auto lb tested dry weight and delivered a tested 104.8 hp (78 kW) at 14,200 rpm and 41.3 pound force-feet (56.0 N⋅m) at 11,500 rpm.[1]

Controversy

2006 R6

In 2006, Yamaha advertised that the R6 had a redline of 17,500+ rpm. This is 2000 rpm higher than the previous R6 model and it was the highest tachometer redline of any 2006 production four-stroke motorcycle engine.

If it was actual engine rpm, it would be near rpm levels known only in Formula One engines, where valve spring stress problems lead to the adoption of pneumatic valve actuation to handle more than 19,000 rpm.[2]

It was widely reported that the 2006 YZF-R6's motor did not have this engine rpm redline level and was closer to around 16,200 engine rpm, but because of a tachometer error of about 9%, it read 17,500 tachometer rpm. In February 2006, Yamaha admitted the bike's true engine redline was more than 1,000 rpm lower than displayed on the tachometer than advertised,[3] and offered to buy back any R6 if the customer was unhappy. According to general legend, nobody sold their bikes back to Yamaha.[4]

Yamaha was not the only manufacturer known to have exaggerated their engine RPM claims. Honda's mid 90's vintage Honda CBR250RR had a reputed redline of 19,000, but the tachometer was up to 5% optimistic [5]- and it was well known that other manufacturers also had tachometers on different models that commonly read 5% to 10% higher than true engine rpm.

Most engine tuners already knew that there was an inflation factor usually built into most stock tachometer rpm displays, and the "tachometer redline furor" was mostly confined to journalists and chat rooms........this bike is mad alpha i just ride around and puck up mad tarps and do 90 on their beef curtains, then just veg out and smoke a cohiba and drink a large dub dub

Specifications

All specifications are manufacturer claimed.

2001/2002[6] 2003/2004[7] 2005 2006/2007[8][9] 2008[10]
Engine
Type 599 cc, DOHC, 16-Valve, Liquid-Cooled, In-Line Four-Cylinder Template:Auto cc-cu in, Liquid cooled, 4-stroke, forward inclined inline 4 cylinder, DOHC, 16 valves Template:Auto cc-cu in, liquid cooled, 4-stroke, forward inclined inline 4 cylinder, DOHC, 16-titanium valves
Bore x Stroke 65.5 mm X 44 mm 65.5 mm x 44.5 mm 67.0 mm x 42.5 mm
Compression Ratio 12.4:1 12.8:1 13.1:1
Carburetion 37 mm Keihin CV Downdraft w/Throttle Position Sensor Fuel injection Fuel injection w/ YCC-T Fuel Injection w/ YCC-T and YCC-I
Ignition Digital DC-CDI TCI
Transmission 6-speed w/multi-plate clutch 6-speed w/multi-plate slipper clutch
Final Drive #532 O-ring chain #525 O-ring chain
Chassis
Suspension/Front Fully Adjustable Template:Auto mm Telescopic Fork, Template:Auto in of Travel Template:Auto mm telescopic fork w/adjustable preload, compression and rebound damping; Template:Auto in travel Template:Auto mm inverted telescopic fork w/adjustable preload, separate high & low-speed compression damping, rebound damping; Template:Auto in travel Template:Auto mm inverted fork; 4-way adjustable, Template:Auto in travel
Suspension/Rear Fully Adjustable Single Shock, Template:Auto in of Travel Single shock w/piggyback reservoir and adjustable preload, compression and rebound damping; Template:Auto in travel Single shock w/adjustable preload, separate high & low-speed compression damping, rebound damping; Template:Auto in travel Single shock; 4-way adjustable, Template:Auto in travel
Brakes/Front Dual Template:Auto mm floating discs w/4-piston calipers Dual Template:Auto mm floating discs w/radial mount, forged 4-piston calipers
Brakes/Rear Template:Auto mm disc w/ single-piston caliper
Tires/Front 120/60-ZR17 120/70-ZR17
Tires/Rear 180/55-ZR17
Dimensions
Length Template:Auto in Template:Auto in Template:Auto in
Width Template:Auto in Template:Auto in Template:Auto in
Height Template:Auto in Template:Auto in Template:Auto in
Seat Height Template:Auto in Template:Auto in Template:Auto in
Wheelbase Template:Auto in Template:Auto in
Rake 24 °
Trail Template:Auto in Template:Auto in
Fuel Capacity 4.5 gal 4.6 gal
Oil Capacity 2.85 qt 3.59 qt
Dry Weight Template:Auto lb[11] Template:Auto lb[1] Template:Auto lb
Other
Color 2001: Team Yamaha Blue, Red
2002: ? 		2003: Yamaha Racing Blue, Liquid Silver, Black w/ Flames
2004: Team Yamaha Blue, Liquid Silver w/ Flames, Rapid Red 		2005: Team Yamaha Blue, Rapid Red, Raven 2006: Team Yamaha Blue, Raven, 50th Anniversary Yellow/Black
2007: Team Yamaha Blue, Charcoal Silver, Candy Red 		2008: Team Yamaha Blue/White, Raven, Liquid Silver, Cadmium Yellow w/Flames
Warranty 1 Year (Limited Factory Warranty)thats bullshit brah.....mad alpha bike
MSRP (US$) 2001: $7,999 (std model), $8,499 (Champions Limited Edition)
2002: ? 		2003: ?
2004: $8,099 (Blue, Red), $8,199 (Liquid Silver w/Flames) 		2005: $8,399 (Blue, Red), $8,499 (Raven) 2006: $9,499 (50th Anniversary), $9,299 (Raven), $9,199 (Team Yamaha Blue)
2007: $9,299 (Team Yamaha Blue), $9,399 (Charcoal Silver, Candy Red) 		2008: $9,599 (Team Yamaha Blue/White, Raven, Liquid Silver), $9,799 (Cadmium Yellow w/Flames)

References

Wikimedia Commons has media related to Yamaha YZF-R6.
  1. ^ a b Duke, Kevin (2007-03-24). "2007 Supersport Shootout V" (HTML). Motorcycle USA. p. 6. Retrieved 2008-03-13.
  2. ^ Dirck Edge (2005-09-28). "Traditional Valve Springs and Higher Redlines". Motorcycle Daily. Retrieved 2005-12-28.
  3. ^ Alex Edge (2006-02-01). "New Yamaha R6 Does Not Rev To 17,500 rpm After All". Motorcycle Daily. Retrieved 2006-02-15.
  4. ^ Alex Edge (2006-02-14). "Yamaha Offers Buyback Option For 2006 R6 Owners". Motorcycle Daily. Retrieved 2006-02-15.
  5. ^ "Is the Tacho Accurate?" (HTML). Retrieved 2009-03-22.
  6. ^ 2001 YZF-R6 specifications from Yamaha Motors (web archive)
  7. ^ 2004 YZF-R6 specifications from Yamaha Motors (web archive)
  8. ^ 2006 YZF-R6 specifications from Yamaha Motors
  9. ^ 2007 YZF-R6 specifications from Yamaha Motors
  10. ^ 2008 YZF-R6 specifications from Yamaha Motors
  11. ^ Sport Bike Motorcycle Weight, Horsepower, Torque and Fuel Economy - Dimensions - Sport Rider


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