YAMAHA

SEROW 225

Yamaha Serow 225

Manufacturer: YAMAHA
Model: SEROW 225
Year: 1985
Type: Trail
Origin: Japan

01 — Overview

Named after the serow, a goat-antelope, this 1985 "mountain trail" machine was developed for riding deep into mountainous terrain. A tractable air-cooled 223 cm³ four-stroke single sat in a light, slim chassis with a low seat, giving predictable handling that also suited town riding.

MAKER: YAMAHA
PRODUCTION: 1985
ERA: 1980s
CATEGORY: Trail Dual Purpose Off-Road

02 — Historical Context

HISTORICAL CONTEXT

According to Yamaha, it became a long seller loved by a wide range of riders, including women and beginners as well as off-road enthusiasts.

1980s — Liquid cooling, aluminium frames and full fairings — racing technology flowed into road machines.

03 — Design

DESIGN

Form, read through detail.

Yamaha Serow 225 (XT225) — Photo: Rikita / CC BY-SA 3.0

04 — Engine

ENGINE

Single

One cylinder: light, simple and characterful. Found everywhere from commuters to off-road machines and classics. Intake, compression, power, exhaust — the cycle behind today's combustion motorcycles.General description of the layout

Engine layout	Single[1]
Cycle	Four-stroke[1]
Displacement	223 cc[1]
Cooling	Air-cooled[1]
Valvetrain	OHC, 2-valve[1]
Max. power	14.7 kW / 8,000 rpm[1]
Max. power	20 PS / 8,000 rpm[1]
Max. torque	18.6 N·m / 7,000 rpm[1]
Max. torque	1.9 kgf·m / 7,000 rpm[1]

05 — Specifications

TECHNICAL SPECIFICATIONS

Every figure is sourced. Unverified values are not published.

Production	1985[1]
Model code	XT225[1]
Engine layout	Single[1]
Cycle	Four-stroke[1]
Displacement	223 cc[1]
Cooling	Air-cooled[1]
Valvetrain	OHC, 2-valve[1]
Max. power	14.7 kW / 8,000 rpm[1]
Max. power	20 PS / 8,000 rpm[1]
Max. torque	18.6 N·m / 7,000 rpm[1]
Max. torque	1.9 kgf·m / 7,000 rpm[1]

06 — Generations

GENERATION HISTORY

19802000

SEROW 225XT2251985–

Generations, model years and market variants (Model → Generation → Variant) are added as they are verified.

07 — Cultural Context

CULTURAL CONTEXT

08 — Gallery

GALLERY

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10 — Sources

SOURCES

[1]1985 SEROW225 (XT225) - Communication Plaza CollectionYamaha Motor Co., Ltd. · museum · accessed 2026-09-26
[2]Yamaha Motor History - Product History (Motorcycles / Commuter Vehicles)Yamaha Motor Co., Ltd. · manufacturer · accessed 2026-09-26

11 — Image Credits

PHOTO CREDITS

Creator
Kuro8124
License
CC BY-SA 3.0 · Wikimedia Commons
Kuro8124, CC BY-SA 3.0, via Wikimedia Commons
Creator
Rikita
License
CC BY-SA 3.0 · Wikimedia Commons
Rikita, CC BY-SA 3.0, via Wikimedia Commons