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I have gathered info on the NC`s and RC`s, its pretty accurate information contains the model history and specs.
The Honda 90° V4 400cc Engine, Picture from Brochure.
Specifications
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NC24 |
NC30 |
RC30 |
RC45 |
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Engine |
Type |
water cooled
V4 |
water cooled
V4 16valve |
water cooled
V4 16valve DOHC |
water cooled
V4 16valve DOHC |
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Bore*stroke |
55.0*42.0 |
55.0*42.0 |
70.0*48.6 |
72.0*46.0 |
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|
Displacement |
399 cc |
399cc |
748cc |
749cc |
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|
Compression |
11.3:1 |
11.3:1 |
11.0:1 |
11.5:1 |
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Fuel
system |
4*29mm
Keihin |
4*34mm
Keihin |
4*34mm
Keihin |
PGM
fuel injection |
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|
Ignition |
transistor |
digital |
digital |
digital |
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|
Rev
redline |
13.000rpm |
14.500rpm |
12.500rpm |
12.500rpm |
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Chassis |
Frame |
twin
spar alum. |
twin
spar alum. |
twin
spar alum. |
twin
spar alum. |
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|
Front
tire |
100/90
R16 |
120/60
R17 |
120/70
R17 |
130/70
ZR16 |
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Rear
tire |
140/60
R18 |
150/60
R18 |
170/60
R18 |
190/50
ZR17 |
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Front
brake |
2*296mm
4pot |
2*296mm
4pot |
2*310mm
4pot Nissin |
2*310mm
4pot |
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Rear
brake |
220mm
2pot |
220mm
2pot |
220mm
2pot |
220mm
1pot |
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Front
susp. |
41mm
fully adjus. |
41mm
fully adjus. |
43mm
fully adjus. Showa |
41mm
USD fully adjus. |
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Rear
susp. |
pro-arm |
pro-arm |
pro-link
Showa |
pro-link |
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Dimensions |
Wheelbase |
1345mm |
1345mm |
1405mm |
1410mm |
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|
Seat
height |
780mm |
775mm |
785mm |
758mm |
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Dry
weight |
170kg |
170kg |
185kg |
189kg |
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|
Castor/trail |
25deg./96mm |
25deg./96mm |
24.5deg./91mm |
24.3deg./92mm |
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Fuel Capac. |
18lit. |
18lit. |
18lit. |
18lit. |
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Performance |
Top
speed |
120mph |
125mph |
158mph |
164.5mph |
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SS 1/4
mile |
n/a |
n/a |
12.17sec. |
11.53sec. |
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Fuel
consump. |
43mpg |
6l/100km |
6l/100km |
n/a |
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Power
|
BHP/RPM |
55bhp |
59bhp/12.500rpm |
92.6bhp/12.500rpm |
102.0bhp/11.800rpm |
E-mail me if you have any info or Pics on VFR`s and I'll post them on my site.