Suspension Parts for KAWASAKI NINJA 250R (EX250J GPZ 250) 2008 – Shocks, Forks & Upgrades

Discover suspension parts guaranteed to fit the 2008 KAWASAKI NINJA 250R (EX250J GPZ 250). 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 2008 KAWASAKI NINJA 250R (EX250J GPZ 250).

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

Rider Weight

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 Shock Spring Rate

8.6KG/MM

Bike Type

SPORTS

Ideal Rider Weight

75 kg

Engine Specifications

4 Stroke Engine 250 cc

SHOCKS INFO

Shock Manufacturer

Showa
36 mm ID

Shock Dimensions

Nitrogen Pressure
150 psi
Shock Travel
50 mm
Shock Shaft Outer Diameter
12.5 mm
Shock Oil
5 Weight
Standard Preload
8mm

Shock Comments

Drill and tap service port

Fitment-Matched Suspension Parts by Category

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All Fitment-Matched Suspension Parts

Browse All 9 Products for KAWASAKI NINJA 250R (EX250J GPZ 250) 2008
HiCalibre

HiCalibre Fork Springs 29 x 377 Common Fitment: HD Sportster Kawasaki Ninja 250 300

Proudly made in the USA
(SKU: 19-048)
$295.00
Special Order
SPECIAL ORDER Item from USA. 4-6 weeks delivery
SPECIAL ORDER Item from USA. 4-6 weeks delivery
$295.00
Special Order
SPECIAL ORDER Item from USA. 4-6 weeks delivery
SPECIAL ORDER Item from USA. 4-6 weeks delivery
$295.00
Special Order
SPECIAL ORDER Item from USA. 4-6 weeks delivery
SPECIAL ORDER Item from USA. 4-6 weeks delivery
$245.00
Special Order
SPECIAL ORDER Item from USA. 4-6 weeks delivery
SPECIAL ORDER Item from USA. 4-6 weeks delivery
$245.00
Special Order
SPECIAL ORDER Item from USA. 4-6 weeks delivery
SPECIAL ORDER Item from USA. 4-6 weeks delivery
$245.00
Special Order
SPECIAL ORDER Item from USA. 4-6 weeks delivery
SPECIAL ORDER Item from USA. 4-6 weeks delivery
$245.00
Special Order
SPECIAL ORDER Item from USA. 4-6 weeks delivery
SPECIAL ORDER Item from USA. 4-6 weeks delivery
$245.00
Special Order
SPECIAL ORDER Item from USA. 4-6 weeks delivery
SPECIAL ORDER Item from USA. 4-6 weeks delivery


Teknik Motorsport

Bump Stop Rubber 12.5 x 35 x 39

12.5mm id x 35mm od x 39mm tall - Showa
(SKU: 22-205-00)
Shock Shaft Ø D (mm):   12.5
Height H (mm):   39.0
Outside Ø D (mm):   35.0
$30.25
8 In Stock


Showa Genuine Parts

Showa Genuine Parts Dust Seal 37x50.5x15

Showa Genuine Motorcycle Suspension Parts
(SKU: F33003702)
Inside Diameter d (mm):   37.0
Fork Inner Tube Ø d (mm):   37.0
Height H (mm):   15.0
Outside Ø D (mm):   50.5
$21.60
16 In Stock


All Balls

All Balls Rear Shock Seal Kit - KX65

12.5 ID 36 OD
(SKU: 37-1012)
Shock Bore Ø D (mm):   36.0
Shock Shaft Ø D (mm):   12.5
Height H (mm):   23.5
$95.00
Special Order
Shipped 1 Week


Showa Genuine Parts

Showa Genuine Parts Oil Seal 37x50x11

Showa Genuine Motorcycle Suspension Parts
(SKU: F32003701)
Inside Diameter d (mm):   37.0
Fork Inner Tube Ø d (mm):   37.0
Height H (mm):   11.0
Outside Ø D (mm):   50.0
$19.20
Coming Soon
Order placed with Showa GPE every 2nd week. 2-3 week delivery if in stock at Showa GPE