Suspension Parts for 1988 SUZUKI RM125 Motorbikes | Guaranteed Fitment

Discover suspension parts guaranteed to fit the 1988 SUZUKI RM125. 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 SUZUKI RM125.

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

0.344

Stock Shock Spring Rate

4.5

Bike Type

MX

Ideal Rider Weight

75 kg

Engine Specifications

2 Stroke Engine 125 cc

FORKS INFO

Fork Manufacturer

Fork Type: KYB Conventional 43 mm OD

Fork Dimensions

Compression Nut Torque: 48 in-lb (0.56 kgf-m)

Fork Features

Twin Chamber Fork: No

Fork Oil

Fork Oil Weight: SAE 5
Fork Oil Level: 125 mm

Fork Spring Information

Standard Preload: 10 mm

SHOCKS INFO

Shock Manufacturer

Shock Type: KYB 44 mm ID

Shock Dimensions

Nitrogen Pressure: 142 psi
Shock Shaft Outer Diameter: 14 mm
Standard Sag: 95 mm
Shaft Nut Torque: 25 ft-lbs (34 NM)
Shock Oil: 2.5 Weight
Standard Preload: 13

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

6 Parts

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SHOCK SPRINGS
Ideal Spring Rate for kg: kg/mm ( N/mm)

3 Parts

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SHOCK SPRING RETAINERS /BUMPERS

2 Parts

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SHOCK BLADDER PARTS

1 Parts

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SHOCK SEAL CASE PARTS

2 Parts

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SHOCK SHAFT PARTS

1 Parts

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SHOCK PISTON PARTS

1 Parts

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SUSPENSION LOCKNUTS & BUSHES

2 Parts

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TOOLS & LUBRICANTS

11 Parts

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All Fitment-Matched Suspension Parts

Browse All 30 Products for SUZUKI RM125 1988

Seal hammer 43mm

Kayaba (KYB) Genuine Motorcycle Parts

Seal hammer 43mm

Original KYB Motorcycle Suspension Tool
(SKU: 000.0652)

$144.96
1 In Stock

Piston rod clamp 10mm / 12.5mm

Kayaba (KYB) Genuine Motorcycle Parts

Piston rod clamp 10mm / 12.5mm

Original KYB Motorcycle Suspension Tool
(SKU: 000.0655)

$96.80
1 In Stock

Kayaba (KYB) Genuine Motorcycle Parts

Pull rod ff

Original KYB Motorcycle Suspension Tool
(SKU: 000.0656)

$96.80
3 In Stock

Front Fork Oil Seals (Pair) 43mm KYB -NOK 1-spring

Kayaba (KYB) Genuine Motorcycle Parts

Front Fork Oil Seals (Pair) 43mm KYB -NOK 1-spring

OEM KYB Japan Motorcycle Suspension Service Parts
(SKU: 110014300102)

Inside Diameter d (mm): 43.0

Height H (mm): 9.5

Outside Ø D (mm): 55.0

$53.00
12 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
31 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
37 In Stock

Rear Shock Piston Ring KYB 44mm

Kayaba (KYB) Genuine Motorcycle Parts

Rear Shock Piston Ring KYB 44mm

OEM KYB Japan Motorcycle Suspension Service Parts
(SKU: 120214400101)

Height H (mm): 9.3

Outside Ø D (mm): 44.0

Wall Thickness (mm): 1.25

$31.90
11 In Stock

Rear Shock Bump Rubber KYB 14mm x 40 x 55

Kayaba (KYB) Genuine Motorcycle Parts

Rear Shock Bump Rubber KYB 14mm x 40 x 55

OEM KYB Japan Motorcycle Suspension Service Parts
(SKU: 120341400101)

Height H (mm): 55.0

Outside Ø D (mm): 38.0

$29.67
21 In Stock

Spring seat rcu steel

Kayaba (KYB) Genuine Motorcycle Parts

Spring seat rcu steel

Original KYB Japan Motorcycle Suspension Parts
(SKU: 120444000301)

$44.36
6 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
Coming Soon

Spring Rate: 0.40 kg/mm

$345.00
Special Order

Spring Rate: 0.42 kg/mm

$345.00
Coming Soon

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
6 In Stock

Spring Rate: 0.54 kg/mm

$345.00
9 In Stock

Spring Rate: 0.58 kg/mm

$345.00
9 In Stock

Spring Rate: 0.60 kg/mm

$345.00
7 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

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