Suspension Parts for 1991 SUZUKI RM125 Motorbikes | Guaranteed Fitment

Discover suspension parts guaranteed to fit the 1991 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 1991 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

0.38

Stock Shock Spring Rate

4.8

Bike Type

MX

Ideal Rider Weight

75 kg

Engine Specifications

2 Stroke Engine 125 cc

FORKS INFO

Fork Manufacturer

Fork Type: Showa USD 45 mm OD

Fork Dimensions

Compression Nut Torque: 25 in-lb (0.29 kgf-m)
Fork Travel: 298 mm

Fork Features

Twin Chamber Fork: No

Fork Oil

Fork Oil Weight: SAE 5
Fork Oil Level: 100 mm

Fork Spring Information

Spring Rate – Claimed: 0.38
Standard Preload: 10 mm

Fork Comments

: Measure oil level with springs in.

SHOCKS INFO

Shock Manufacturer

Shock Type: Showa 44 mm ID

Shock Dimensions

Nitrogen Pressure: 175 psi
Shock Length (Eye to Eye): 445 mm
Shock Travel: 127 mm
Shock Shaft Outer Diameter: 16 mm
Standard Sag: 95 mm
Shaft Nut Torque: 25 ft-lbs (34 NM)
Shock Oil: 5 Weight
Standard Preload: 14

Fitment-Matched Suspension Parts by Category

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

4 Parts

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FORK CARTRIDGE ASSEMBLY PARTS

3 Parts

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FORK SEALS & BUSHES

8 Parts

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SHOCK SPRING RETAINERS /BUMPERS

1 Parts

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SHOCK BLADDER PARTS

1 Parts

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SHOCK SEAL CASE PARTS

4 Parts

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SHOCK SHAFT PARTS

1 Parts

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SUSPENSION LOCKNUTS & BUSHES

1 Parts

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TOOLS & LUBRICANTS

12 Parts

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All Fitment-Matched Suspension Parts

Browse All 31 Products for SUZUKI RM125 1991

Fork Preload Spacer 43.5 x 5.0

Teknik Motorsport

Fork Preload Spacer 43.5 x 5.0

43.5mm od x 5.0mm thick - Nylon
(SKU: 30-130-01)

$6.59
776 In Stock

Fork Preload Spacer 43.5 x 10.0

Teknik Motorsport

Fork Preload Spacer 43.5 x 10.0

43.5mm od x 10.0mm thick - Nylon
(SKU: 30-130-02)

$6.59
936 In Stock

Fork Preload Spacer 43.5 x 2.5

Teknik Motorsport

Fork Preload Spacer 43.5 x 2.5

43.5mm od x 2.5mm thick - Nylon
(SKU: 30-130-00)

$6.59
804 In Stock

Bump Stop Rubber 16 x 55 x 58

Teknik Motorsport

Bump Stop Rubber 16 x 55 x 58

16mm id x 55mm od x 58mm tall - Showa
(SKU: 22-230-00)

Height H (mm): 58.0

Outside Ø D (mm): 55.0

$22.00
497 In Stock

Shock Oil Seal 16 x 28 x 5 Viton Hi Performance

Capelli Race

Shock Oil Seal 16 x 28 x 5 Viton Hi Performance

16mm id x 28mm od x 5mm thick - Showa/KYB
(SKU: 22-401-00)

Oil Seal Inside Diameter d (mm): 16.0

Oil Seal Outside Ø D1 (mm): 28.0

Oil Seal Height H (mm): 5.0

$22.00
363 In Stock

M12 x 1.25 Thin Self Locking Steel Insert Fujilok

Fuji Seimitsu Co Ltd

M12 x 1.25 Thin Self Locking Steel Insert Fujilok

Self Locking Steel Insert Fujilok
(SKU: 22-625-03)

$3.99
3833 In Stock

Outer Guide Bush 45 x 15 x 2.0

Teknik Motorsport

Outer Guide Bush 45 x 15 x 2.0

45mm id x 15mm tall x 2.0mm thick
(SKU: 24-516-00)

Inside Diameter d (mm): 45.0

Fork Inner Tube Ø d (mm): 45.0

Height H (mm): 15.0

Outside Ø D (mm): 49.0

Wall Thickness (mm): 2.0

$38.50
7 In Stock

Techtool Fork Tube Tool & Cartridge Rod Holding Plate

Techtool

Techtool Fork Tube Tool & Cartridge Rod Holding Plate

For KYB, Showa & WP Twin or Open Chamber Forks
(SKU: 93-032-00)

$220.00
8 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

16 x 12mm Shock Seal Head Bullet

Teknik Motorsport

16 x 12mm Shock Seal Head Bullet

Motorcycle Suspension Tools
(SKU: 93-025-00)

$19.95
48 In Stock

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