Suspension Parts for 1988 YAMAHA YZ250 Motorbikes | Guaranteed Fitment

Discover suspension parts guaranteed to fit the 1988 YAMAHA YZ250. Every product in this category has been validated against year-specific fork and shock specifications to ensure true compatibility.
You’ll find fork components, shock parts, shims, upgrade kits, complete suspension systems, chassis components, and the tools and fluids required for accurate servicing - all aligned with the suspension setup of the 1988 YAMAHA YZ250.

Use this page as a reliable reference when maintaining, rebuilding, or upgrading your bike’s suspension.

Bike-Specific Suspension Specifications & Setup Information

CALCULATE SPRING RATES

This is a recommendation only please consult your manual

Ideal Fork Rate:

kg/mm ( N/mm)

Ideal Shock Rate:

kg/mm ( N/mm)

BIKE DETAILS

Stock Fork Spring Rate

0.375

Stock Shock Spring Rate

5.25

Bike Type

MX

Ideal Rider Weight

75 kg

Engine Specifications

2 Stroke Engine 250 cc

FORKS INFO

Fork Manufacturer

Fork Type: KYB Conventional 43 mm OD

Fork Dimensions

Compression Nut Torque: 25 in-lb (0.29 kgf-m)

Fork Features

Twin Chamber Fork: No

Fork Oil

Fork Oil Weight: SAE 5
Fork Oil Level: 130 mm

Fork Spring Information

Spring Rate – Claimed: 0.38
Standard Preload: 10 mm

SHOCKS INFO

Shock Manufacturer

Shock Type: Soqi 46 mm ID

Shock Dimensions

Nitrogen Pressure: 142 psi
Shock Length (Eye to Eye): 430 mm
Shock Travel: 121 mm
Shock Shaft Outer Diameter: 14 mm
Standard Sag: 103 mm
Shaft Nut Torque: 25 ft-lbs (34 NM)
Shock Oil: 5 Weight

Shock Features

Non-rebuildable: No

Fitment-Matched Suspension Parts by Category

FORK SPRINGS
Ideal Fork Rate for kg: kg/mm ( N/mm)

2 Parts

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FORK SEALS & BUSHES

4 Parts

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SHOCK SEAL CASE PARTS

1 Parts

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TOOLS & LUBRICANTS

11 Parts

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All Fitment-Matched Suspension Parts

Browse All 18 Products for YAMAHA YZ250 1988

Fork Seal Driver - 43mm

Techtool

Fork Seal Driver - 43mm

See Part # 93-009-00 for complete set
(SKU: 93-009-20)

$76.95
9 In Stock

Front Fork Piston Metal (Pair) 43mm KYB

Kayaba (KYB) Genuine Motorcycle Parts

Front Fork Piston Metal (Pair) 43mm KYB

OEM KYB Japan Motorcycle Suspension Service Parts
(SKU: 110034300102)

Inside Diameter d (mm): 41.5

Fork Inner Tube Ø d (mm): 43.0

Height H (mm): 20.0

Outside Ø D (mm): 43.5

Wall Thickness (mm): 1.0

$52.03
20 In Stock

Fork Oil Level Tool

Techtool

Fork Oil Level Tool

Motorcycle Suspension Tools
(SKU: 93-002-00)

$39.93
35 In Stock

Techtool Motorcycle Fork Seal Driver Kit 9pc Kit

Techtool

Techtool Motorcycle Fork Seal Driver Kit 9pc Kit

35/36-39-41-43-45-46/47-48-49/50-54mm
(SKU: 93-009-00)

$470.58
18 In Stock

HiCalibre Fork Springs 36 x 505 CFMoto MT450 Early CR KX RM CR with 43mm

HiCalibre

HiCalibre Fork Springs 36 x 505 CFMoto MT450 Early CR KX RM CR with 43mm

Proudly made in the USA
(SKU: 19-105)

From $345.00

Spring Rate: 0.36 kg/mm

$345.00
Special Order

SPECIAL ORDER Item from USA. 4-6 weeks delivery

SPECIAL ORDER Item from USA. 4-6 weeks delivery

Spring Rate: 0.38 kg/mm

$345.00
6 In Stock

Spring Rate: 0.40 kg/mm

$345.00
Special Order

Spring Rate: 0.42 kg/mm

$345.00
6 In Stock

Spring Rate: 0.44 kg/mm

$345.00
8 In Stock

Spring Rate: 0.46 kg/mm

$345.00
6 In Stock

Spring Rate: 0.48 kg/mm

$345.00
3 In Stock

Spring Rate: 0.50 kg/mm

$345.00
4 In Stock

Spring Rate: 0.54 kg/mm

$345.00
7 In Stock

Spring Rate: 0.58 kg/mm

$345.00
9 In Stock

Spring Rate: 0.60 kg/mm

$345.00
3 In Stock

Spring Rate: 0.62 kg/mm

$345.00
Special Order

Spring Rate: 0.64 kg/mm

$345.00
Special Order

Spring Rate: 0.66 kg/mm

$345.00
Special Order

All Balls Rear Shock Seal Kit - YZ100/125/250/IT175 80-81

All Balls

All Balls Rear Shock Seal Kit - YZ100/125/250/IT175 80-81

14 ID 46 OD
(SKU: 37-1116)

Shock Bore Ø D (mm): 46.0

Shock Shaft Ø D (mm): 14.0

Height H (mm): 29.0

$95.00
3 In Stock

DRC Fork Seal Driver Set | Universal | 40-50mm

DRC Zeta Hardware

DRC Fork Seal Driver Set | Universal | 40-50mm

DRC Fork Seal Driver Tool Set
(SKU: D59-26-005)

$177.09
29 In Stock

Fork Bleeder Tool Set

Techtool

Fork Bleeder Tool Set

Motorcycle Suspension Tools
(SKU: 93-007-00)

$110.00
25 In Stock

Front Fork Slide Metal (Pair) 43mm KYB

Kayaba (KYB) Genuine Motorcycle Parts

Front Fork Slide Metal (Pair) 43mm KYB

OEM KYB Japan Motorcycle Suspension Service Parts
(SKU: 110044300102)

Inside Diameter d (mm): 43.0

Fork Inner Tube Ø d (mm): 43.0

Height H (mm): 12.0

Outside Ø D (mm): 47.0

Wall Thickness (mm): 2.0

$52.03
29 In Stock

Piston ring mounting set FF 20mm

Kayaba (KYB) Genuine Motorcycle Parts

Piston ring mounting set FF 20mm

Original KYB Motorcycle Suspension Tool
(SKU: 000.0626)

$191.18
1 In Stock

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