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At the start of the 1980s, Honda, the number 1 manufacturer in the motorcycle industry, displayed its leadership with incredible insolence. Its industrial capacities and the dynamism of its research and development department allow it to fight on absolutely all fronts and to offer a much wider range than its direct competitors..
And while the VF range, the new spearhead of the sports range, is taking shape, Honda is not abandoning its traditional CB range, quite the contrary. In 1983, the manufacturer launched the CBX 750. This 4-cylinder, barely less sporty than its cousin VF-F, fits into an already well-supplied range offering accessible models (CBX 400 F & CBX 550 F) as well as a luxurious CBX 1000 equipped with a ProLink suspension since 1981.
This new “4 in line” is a clever mix of classicism and modernism. The VF range clearly announces its High Tech orientation with its water-cooled V4. The CBX retains, like its descendants, an in-line architecture facing the road and air cooling. But the comparison with the previous CB 750 K, CB 750 F & CB 750 F2 stops there. With a double overhead camshaft and 4 valves per cylinder equipped with an automatic adjustment system (called the Hydrolic Valve Adjuster System), the CBX engine fed by 4 34 mm carburettors develops around twenty more horsepower (93 horsepower at 9,500 rpm) than its predecessor fitted to the CB 750 FC Bol d’Or.
The CBX enjoys the luxury of being more powerful than the VF-F and can even boast of being one of the most powerful naturally aspirated 4-cylinder air-cooled cylinders ever produced. Power per liter (+124 hp / l) reached heights that only turbocharged models at the time could exceed.
The cycle part, like the engine, is modern but without futuristic technological artifice. On the program: tubular steel frame with double cradle, ProLink mono-shock absorber and telescopic fork equipped with an anti-dive system and pneumatic assistance. The front axle is equipped with a pair of discs 280mm in diameter equipped with a double piston caliper (single disc and 2 piston caliper at the rear) …. only good and above all proven.
The style is sober and in tune with the times with an engine that still refuses to hide behind the fairing sides and a fork crown attached to the frame and providing honest protection given the height of the screen. The front panel still stands out from the rest of the production thanks to its two contiguous square optics. The engine guard brings a little more aggressiveness. The driving position hesitates a little between sport and road comfort (although today a young biker would seek the sporty side). The larger engine than the V4 imposes a more relaxed position.
On the road, the CBX is quite into the game, but offers a very different personality than its VFF sister. The 4-cylinder in-line displays a different character from the V4; less round, the CBX does not benefit from the significant torque at mid-range and the liveliness to take its turns from the VFF. Supple at the bottom and powerful in the towers, it seems to want to oppose more naturally the sporty road Kawasaki GPZ 750. The chassis gives the same feeling: stable, safe but less lively than the VFF.
In terms of performance, the CBX has nothing to be ashamed of. With more than 215 km / h, it does as well as the others. Consumption is around 7 to 7.5 liters.
Rare today, the career of this motorcycle has surely suffered a little from the policy of attack on all fronts of its manufacturer. The aura of the VFF has shamed it a lot and its replacement in 1987 by the always charismatic CBR range has sunk into general oblivion..
This bike will still have descendants. First with the CBX 750 Bol d’or which in fact made the junction between the CBX and the CBRs between 1985 and 1987. It was in fact a simple evolution of the CBX equipped with an integral fairing to the very successful line which seems to announce the truly innovative style of the CBRs. Much later (1992), the engine of the CBX will find a second life with the CB 750 Seven Fifty. However, the engine here deflated at 73 hp and perfectly suited to the definition of this bike will hardly have the flavor of its ancestor..
What you must remember
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Replaces
CBX 750 F 1986
Model marketed in
1984
1985
1986
1987
Performances
-
Max speed:
approx. 215 km / h -
Consumption
medium: 6.90 l
The technical aspect
Honda CBX 750 F 1987
- Frame
- Frame: Double cradle in steel tubes
- Tank: 22 liters
- Seat height: 795 mm
- Length: 2145 mm
- Width: 740 mm
- Height: 1240 mm
- Wheelbase: 1,465 mm
- Dry weight: 218 kg
- Operating weight: 240 kg
- Train before
- Telehydraulic fork Ø 39 mm, deb: 150 mm
- 2 discs Ø 280 mm, 2 piston calipers
- Front wheel:
110/90
– 16
- Transmission
- 6-speed gearbox
- secondary by chain
- Rear axle
- ProLink monoshock, deb: 115 mm
- 1 disc Ø 280 mm, 2 piston caliper
- Rear wheel:
130/80
– 18
- Motor
- 4 Cylinders
in line
, 4 stroke - Cooling: by air
- 4 carburetors Ø 34 mm
- 2 ACT
- 4 valves per cylinder
-
747 cc
(67 x 53 mm) -
93
ch
at 9,500 rpm -
7.20 mkg
at 8,500 rpm - Weight ratio /
power
: 2.34
kg / hp - Compression: 9.3: 1
- Crit’air:
Detached pieces
exhaust
motor
fluid
electricity
filtration
braking
chain kit
Competitors
Gallery
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