Menu
🏍️
Bikes
Reviews
⚖️
Compare
📚
Guides
📊
Samples
camera_alt
Free Inspection
Start a new bike check
Privacy
Terms
Reviews/ Yamaha/ Sr400
WATCH REVIEW
7.5/10 Classic

Yamaha Sr400 Review

"A beautiful, rewarding machine — but only for committed, patient riders."

Urban riders wanting style and mechanical simplicity $4,500-$7,500 used 2015-2019
search Inspect a Yamaha Now
dashboard

Key Specs

speed
Top Speed
145 km/h
bolt
Power
24 hp
@ 6,500 rpm
rotate_right
Torque
28 Nm
@ 3,000 rpm
local_gas_station
Fuel Economy
37.0 km/L
87 mpg · 2.7 L/100km (approximately 37 km/L)
build
Service Every
6,000 km
scale
Weight
175 kg
(wet/curb weight)
settings
Engine
399cc air-cooled single-cylinder OHV
height
Seat Height
790 mm
cog
Transmission
5-speed
chevron_right

Used Buyer Review

The SR400 is a genuinely charming machine, but don't let the retro aesthetics fool you into ignoring what you're actually buying. This is a kickstart-only, carbureted single-cylinder from a different era, and that's both its greatest strength and its most significant commitment. Learning to kick it properly takes genuine technique — flood it once in traffic and you're pushing it to the kerb looking sheepish. Mechanically these things are bulletproof when maintained, but neglected examples are surprisingly common. Check the carb thoroughly — flat spots and rough idling usually mean a dirty pilot jet. The seat foam collapses quickly on older examples, turning any ride over an hour into genuine punishment. Cables, chain, and sprockets wear predictably but get ignored by owners who think minimal use means minimal maintenance. What you actually get for your money is legitimately beautiful styling, a peaky little motor that rewards rev-happy riding, and handling that's surprisingly competent despite the vintage suspension. It's honest, simple, and enormously satisfying when everything works right.

Pros

+Mechanically simple, easy maintenance
+Genuinely stunning classic styling
+Lightweight and flickable handling
+Strong resale value retention
+Rewarding rev-happy character

Cons

-Kickstart-only, steep learning
-Seat comfort deteriorates fast
-Neglected carbs very common
-Zero highway cruising comfort
warning
Avoid if

You need reliable daily highway commuting sorted

description View full specs, facts & rivals for Yamaha Sr400 →

Similar Classic Reviews

Yamaha Xsr700
Yamaha Xsr700 8.5/10

"One of the smartest used buys in the middleweight naked class."

Experienced riders wanting engaging, no-nonsense naked fun $5,500-$8,500
Triumph Bonneville T120
Triumph Bonneville T120 8.5/10

"The finest modern classic money can buy used, full stop."

Style-conscious riders wanting real-world usability daily $7,500-$11,500
Honda Cbx 1000
Honda Cbx 1000 8.5/10

"A magnificent machine demanding respect, patience, and a serious maintenance budget."

Patient collectors who actually want to ride $8,000-$22,000
Yamaha Xsr900
Yamaha Xsr900 8.5/10

"The best used triple you can buy under eight grand."

Experienced riders wanting fun, practical, stylish middleweight $5,500-$8,500