HYPER VTEC is the latest refinement of Hondas unique VTEC hydraulic valve control technology. Designed to improve 4-stroke engines; airflow and combustion efficiency, this new system is characterized by the camshafts directly actuating the valves via a lifter.
What is VTEC CB400?
Honda introduced a new VTEC (Variable Valve-Timing and Lift Electronic Control) engine system for its Super Four CB400 sport bike, resulting in cleaner operation and higher fuel efficiency. In Honda tests, Hyper VTEC engines produced lower emissions and higher output, with fuel efficiency improved by about 6.5%.
What exactly does VTEC do?
The VTEC (Variable Valve Timing & Lift Electronic Control) system uses separate camshaft profiles for low and high-end performance, and the engine computer selects between profiles. The VTEC system essentially combines low-RPM fuel efficiency and stability with high-RPM performance.
Is VTEC good for engine?
VTEC (Variable Valve Timing & Lift Electronic Control) is a system developed by Honda to improve the volumetric efficiency of a four-stroke internal combustion engine, resulting in higher performance at high RPM, and lower fuel consumption at low RPM.
Do all CB400 have VTEC?
CB400 VTEC (Spec II) (2002) changed the operation of the VTEC system so that four valve operation begins at 6,300 rpm across all gears....Honda CB 400SF Super Four.Make ModelHonda CB 400 Super FourRear Tyre160/60 ZR17Wheelbase1410 mm / 55.5 inSeat Height755 mm / 29.7 in26 more rows
How do you remove a Revo CB400 fuel tank?
Remove the nut from the pin. Then take the pressure off the pin by gently lifting the tank a little bit, and pull the pin out. Now the tank should lift freely from the same side. Lift it up, then pull the tank away from the frame to slide it off the mounting rubbers at the other end.
How many cylinders does a CB400 have?
Honda CB 400SF Super FourMake ModelHonda CB 400 Super FourEngineFour stroke, transverse four cylinders, DOHC, 4 valve per cylinderCapacity399 cc / 24.3 cu inBore x Stroke55 x 42 mmCooling SystemLiquid cooled,25 more rows
How do I make VTEC kick in faster?
2:434:15How To Get VTEC To Kick In (Filmed In An 8th Gen Civic Si) - YouTubeYouTube
Is the MT-03 a good bike?
Overall, the MT-03 is a great naked machine, for all riders. Just as Yamaha has promised, its a great entry into the MT naked lineup that provides enough performance to entertain riders with more experience. Dont think of it as an R3 without a fairing. Its less makes it much more—more or less.
How fast is a Honda CB400?
Honda CB400FManufacturerHondaCompression ratio9.4:1Top speed103.8 mph (167.0 km/h)Power37 bhp (28 kW) @ 8,500 rpmTorque24 lb⋅ft (33 N⋅m) @ 7,500 rpm16 more rows
Does Honda CB400 have VTEC?
1999: The CB400SF Hyper VTEC introduced major engine improvements through the use of Hondas VTEC system. This technique improved the engines low and mid-range power and efficiency, while retaining performance over 6,750 rpm by resuming four valve operation.
Does vtec make a car faster?
Honda developed its Variable Valve Timing & Lift Electronic Control (VTEC) technology to make its cars quicker, more efficient, and more enjoyable to drive overall.