Key performance

23 ch
Power
🔧
399 cc
Displacement
⚖️
174 kg
Weight
🏎️
140 km/h
Top speed
💺
785 mm
Seat height
12.0 L
Fuel capacity
💰
6 199 €
New price
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Technical specifications

Engine

Displacement
399 cc
Power
23.0 ch @ 6500 tr/min (16.9 kW)
Torque
27.5 Nm @ 3000 tr/min
Engine type
Monocylindre, 4 temps
Cooling
par air
Compression ratio
8.5 : 1
Bore × stroke
87 x 67.2 mm
Valves/cylinder
2
Camshafts
1 ACT
Fuel system
Injection

Chassis

Frame
simple berceau semi-dédoublé en acier
Gearbox
boîte à 5 rapports
Final drive
Chaîne
Front suspension
Fourche téléscopique Ø nc, déb : 150 mm
Rear suspension
2 amortisseurs latéraux, déb : 125 mm

Brakes

Front brakes
Freinage 1 disque Ø 298 mm, étrier 2 pistons
Rear brakes
Freinage tambour
Front tyre
90/100-18
Rear tyre
110/90-18

Dimensions

Seat height
785.00 mm
Fuel capacity
12.00 L
Weight
174.00 kg
Dry weight
152.00 kg
New price
6 199 €

Overview

So, would we indulge in a motorcycle fueled by pure nostalgia and requiring a kickstart to awaken? That’s the existential question posed by the Yamaha SR 400, especially in its 60th-anniversary livery. At over €6,000, it’s far from an accessory for the impoverished collector. For that price, you get a brand-new MT-07, a machine twice as powerful and modern. The SR, on the other hand, hasn’t evolved in decades, and that’s precisely its selling point. It’s not a replica; it’s the original, a living fossil that smells of hot oil and bare metal.

Yamaha SR 400 60eme anniversaire

Its 400 cm3 single-cylinder engine is a museum piece brought to life. With only 23 horsepower delivered at 6,500 rpm, it’s the antithesis of performance. But that’s not the point. The pleasure lies in its early torque, available from 3,000 rpm, and in this direct, raw mechanical sensation. The compression is low, the technology dates back to the kick era, but each rotation of the crankshaft has substance, a soul that in-line twins have lost. The cradle frame, side shock absorbers, rear drum brake, and 18-inch spoked rims complete this picture from another time. It’s an honest machine, without electronic embellishments, where the rider is in constant dialogue with the mechanics.

The 60th-anniversary version, dressed in the famous yellow and black "Speedblock" checkerboard pattern, gives the silhouette a welcome refresh. It goes from the state of a somewhat sad relic to that of a cool, almost trendy object. We then rediscover the details with tenderness: the fins of the single-cylinder engine, the fork gaiters, the chrome accents. But this retro beauty comes at a cost, and it's a salty one. At 174 kg all fueled up with its small 12-liter tank, it’s not light for its category, and its use is clearly limited to leisurely rides or stylish urban commutes. Claiming a long journey or a dynamic road session is bordering on utopia.

So, who buys this? Certainly not a standard beginner, who will be frustrated by the absence of an electric starter and the limited performance. It’s an object for purists, for those seeking an authentic and unadorned motorcycle sensation, or for the collector who wants a running piece in their garage. It’s an act of love, irrational, in the face of the relentless logic of the market. You have to accept its limitations, its price, and even remember a recall campaign for an oil hose on 2014-2016 models. The Yamaha SR 400 is not a motorcycle; it’s a statement. And either you love it, or you walk on by without even looking.

Practical info

  • La moto est accessible aux permis : A

Indicators & positioning

Weight-to-power ratio
0.13 ch/kg
🔄
Torque / weight
0.16 Nm/kg
🔧
Volumetric power
56.9 ch/L
In category Classic · 200-798cc displacement (1690 motorcycles compared)
Power 23 ch Top 81%
17 ch median 35 ch 63 ch
Weight 174 kg Lighter than 76%
138 kg median 190 kg 350 kg
P/W ratio 0.13 ch/kg Top 77%
0.09 median 0.19 0.30 ch/kg

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