提升四衝發動機高轉的終極奧義之一

迎风前行

彬222

   强悍

da-vinci

彬222 发表于 2011-11-18 20:36
强悍

不強悍不發帖

BMW

N年前的CBR250就是20000极限了

da-vinci

BMW 发表于 2011-11-18 23:40
N年前的CBR250就是20000极限了

那我該好好的研究下

da-vinci

BMW 发表于 2011-11-18 23:40
N年前的CBR250就是20000极限了

Year	1986	1987	1988–1989	1990–1993	1994–1999
Model	CBR250 (FG) and (FG-YA) MC14	CBR250R (H) MC17	CBR250R (J) and (K) MC19	CBR250RR (L) and (N) MC22 'Jap spec'	CBR250RR (R) and (R-II) MC22 'Tri-colour'
Engine type	MC14e - 4 Stroke - 16 valve - Liquid Cooled - Inline Four
Displacement	249 cc (15.2 cu in)
Bore/stroke	48.5 × 33.8 mm (1.91 × 1.33 in)
Power	45 PS (33 kW) @ 14,500 rpm	45 PS (33 kW) @ 15,000 rpm [1]			40 PS (29 kW) @ 14,500 rpm [1]
Maximum torque			25.5 N·m (18.8 ft·lbf) @ 10,500 rpm	21.5 N·m (15.9 ft·lbf) @ 12,000 rpm	23.5 N·m (17.3 ft·lbf) @ 11,500 rpm
Compression ratio			11.0:1	11.5:1
Fuel Delivery			VG05	VP 20
Transmission	6-speed
Final drive	0-ring Chain
Rake/trail				Rake & Trail Angles: 24 / 89 mm
Front Tire Size			100/80-17	110/70-17
Rear Tire Size			140/70-17	140/60-17
Wheelbase			1365 mm	1,345 mm (53.0 in)
Front Brake Type	Dual disc 2-piston calipers		Single disc	Dual 275 mm discs with 2-piston calipers
Rear Brake Type	Single disc 1-piston caliper			220 mm disc with 1-piston caliper
Fuel Tank Capacity	14 l (3.1 imp gal; 3.7 US gal)		13 l (2.9 imp gal; 3.4 US gal)
Seat Height				725 mm (28.5 in)	735 mm (28.9 in)
Dry Weight				142 kg (313 lb)[2]	143 kg (315 lb)
Wet Weight				157 kg (346 lb) [1]	158 kg (348 lb) [1]
Fuel Economy				40.0 km/L (113 mpg-imp; 94 mpg-US)[4]
Headlights	Single front Headlight		Dual front Headlights
Market Availability	Japanese domestic market		Japanese domestic market and frequently grey-imported into Australia		Australia and Japanese domestic market

最高轉速僅到15000RPM,怎麼會破20000RPM呢~?

yeahseason

学到东西了！ 谢谢分享！！！！！！

da-vinci

yeahseason 发表于 2011-11-19 13:29
学到东西了！ 谢谢分享！！！！！！

感謝支持

跌闪识头

水王好好野！！高速的气门时候弹簧还会转，不看不知道！！！

da-vinci

跌闪识头 发表于 2011-11-19 13:55
水王好好野！！高速的气门时候弹簧还会转，不看不知道！！！

現在看了就知道