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Products - Instructions
Spring Rates - Oil Levels
2010 Yamaha WR250R
Riding Type
Trail (single track)
Enduro
Dual Sport
Cross Country (GNCC)
Desert
Motocross
Amateur Arenacross/Stadium
Arenacross
AMA Professional Supercross
Freestyle MX
Supermoto
Flat Track
Age
Standard Age - Up to 29
30-44 Years Old
45 years and Older
Skill Level
Beginner
Novice/C Class
Intermediate/B Class
Expert/A Class
Professional
Stiffness Preference
Standard Stiffness
Prefers Soft
Prefers Stiff
Gas Tank
Standard Gas Tank
Oversize Gas Tank
Lowering
Not Lowered
Lowered 25mm / 1in
Lowered 38mm / 1.5in
Lowered 50mm / 2in
Flat Track Lowering
Rider Weight (without gear):
lbs
kg
Rider Weight (without gear):
lbs
kg
LOWERING
Leave blank unless you are lowering the vehicle
Flat Track is already lowered (leave blank)
Fork Lowered Distance*:
in
mm
Shock Lowered Distance*:
in
mm
Calculate Spring Rate
Calculate Spring Rates and Display Available Springs
FRONT INSTRUCTIONS and BASIC SETUP
Data
Price
Qty
INSTRUCTIONS
- Special Valving for this Kit
Click Here
INSTRUCTIONS
- Gold Valve Compression or Emulator Valving
Click Here
INSTRUCTIONS
- Rebound Valving
Click Here
INSTRUCTIONS
- Oil Level
Click Here
Fork Oil
(USF05=5w, OSFO 10=10w, etc.)
USF05 2 qt/liter required
$29.99
Oil Level - Standard MX (
Click Here for other types of riding
)
110 mm
INSTRUCTIONS
- Fork Spring Installation
Click Here
Front Spring Preload - Recommended
(stock height/not lowered)
5 mm
REAR INSTRUCTIONS and BASIC SETUP
Data
Price
Qty
Nitrogen Pressure
165 psi
Shock Oil
(less than one quart/liter required)
US1
$29.99
Rear Spring Preload - Recommended
(stock height/not lowered)
6 mm
Rear Sag
(mm)
85
>> FORK PRODUCTS <<
Data
Price
Qty
Fork Brand, Diameter (mm), Type (U-upside down, C-conventional)
KYB 46U Open Cartridge Internal Top-Out
Fork Comments
FRSP 4144 springs can be modified to higher rates up to .55kg w/274mm travel.
Fork Springs
Data
Price
Qty
Stock Fork Spring Rate
.46 kg/mm (stock)
Fork Spring Series
(pair)
Calculate Spring Rates and Display Available Springs
FRSP M4144
$199.99
Fork Valving Kits
Data
Price
Qty
Fork Gold Valve Kit
(Kits ending in "C" include Compression AND Rebound/Mid-Valve Gold Valves)
(Kits NOT ending in "C" are Compression Only)
FMGV 2020C
$339.99
WP Kit Forks/Cartridge Kit
Data
Price
Qty
Performance/Valving Parts - Other
Data
Price
Qty
Front Lowering
Data
Price
Qty
25mm (1") Lowering Spacers
FPLS P105180025 P
$39.99
25mm (1") Lowering Spring Series
Calculate Spring Rates and Display Available Springs
call
38mm (1.5") Lowering Spacers
FPLS P105180038 P
$39.99
38mm (1.5") Lowering Spring Series
Calculate Spring Rates and Display Available Springs
call
50mm (2") Lowering Spacers
FPLS P105180050 P
$39.99
50mm (2") Lowering Spring Series
Calculate Spring Rates and Display Available Springs
call
Flat Track Fork Performance
Data
Price
Qty
Flat Track Lowering Spacers
(pair)
call Lowered 0 mm
Flat Track Fork Spring Series
(pair)
Calculate Spring Rates and Display Available Springs
call
Gold Valve Compression Kit
(Kits ending in "C" include Compression AND Rebound/Mid-Valve Gold Valves)
FMGV 2020C
$339.99
Holeshot Device
Data
Price
Qty
Fork Labor (at Race Tech)
Data
Price
Qty
Rebuild Front Suspension (labor only)
LDFORB2
$200.00
Install Gold Valves and Rebuild Front Suspension (labor only)
LDFORV2
$200.00
Fork Maintenance and Repair
Data
Price
Qty
Fork Oil
(USF05=5w, OSFO 10=10w, etc.)
USF05 2 qt/liter required
$29.99
Inner Fork Bushings
(pair)
FMBI 46201 P
$21.98
Outer Fork Bushings
(pair)
FMBO 46122 P
$34.99
Fork Seals (pair)
FKOS 4602 P
$31.99
Dust Seals (pair)
FKDS 4602 P
$24.99
Damping Rod Bushings
(pair if the part number ends in "P" otherwise each)
SMSB 1008
$9.99
Damping Rod Bolt Copper Washer or O-ring
(each)
HMWC 2227
$8.99
Replacement Fork Tubes by TNK
Data
Price
Qty
Fork Tools
Data
Price
Qty
Fork Seal Driver
(required if replacing seals or bushings)
TFSD 46
$109.99
Fork Shaft OD Holding Tool
TFSH 10
$64.99
Fork Oil Level Tool
(try this one, you'll never go back)
TFOL 02
$144.99
>> REAR SHOCK PRODUCTS <<
Data
Price
Qty
Shock Brand / Body Diameter
Yamaha/Soqi 46 mm
Shock Comments
Spring adapter collar(s) required. 2 piece seal is stock, use Seal Assy.Adjust ride height adjuster to shaft flush with bottom of inside of clevis. Lowering 9mm at the shock helps geometry.
Rear Shock Springs
Data
Price
Qty
Stock Shock Spring Rate
8.2 kg/mm
Rear Shock Spring Series
(Adapter Collar(s) required if listed)
Calculate Spring Rates and Display Available Springs
SESP 80250
$149.99
Spring Adapter Collar
(required to mount listed spring)
SPSC B6158N qty 1 required
$3.99
Spring Adapter Collar 2
(required to mount listed spring)
SPSC P646206 qty 1 required
$29.99
Rear Shock Valving Kits
Data
Price
Qty
Shock Gold Valve Kit
(Next Generation Low Deflection)
SMGV 4633
$199.99
WP Kit Shock
Data
Price
Qty
Rear Lowering
Data
Price
Qty
Flat Track Shock Performance
Data
Price
Qty
G3-LD Shock Gold Valve Kit
(Next Generation Low Deflection)
SMGV 4633
$199.99
Rear Shock Labor (at Race Tech)
Data
Price
Qty
Rebuild Rear Suspension (labor only)
LDSHRB1
$200.00
Install Gold Valve and Rebuild Rear Suspension (labor only)
LDSHRV1
$200.00
Rear G3-S Custom Shocks - Complete
Data
Price
Qty
Pivot Works Bearing Kits
Data
Price
Qty
Rear Shock Maintenance and Repair
Data
Price
Qty
Shock Oil
(less than one quart/liter required)
US1
$29.99
Shock Seal Head Assembly
(each)
SSSH 4614
$69.99
Bottom-Out Bumper
(each)
call
Reservoir Bladder
(each)
SKBL 410100
$49.99
Rear Shock Tools
Data
Price
Qty
Shock Clip Pick Tool
(makes life easier with wire circlips)
TSCP 01
$39.99
Shock Shaft Holding Tool
(required for shaft eyelet disassembly)
TFSH 14
$74.99
Shock Spring Compressor
(saves time - usually not required)
TSSC 01
$199.99
Shock Preload Adjusting Tool
(not required but you'll love it)
TSPA 01
$64.99
Shock Seal Bullet Tool
(prevents seal damage on installation)
TSSB 1412
$24.99
Shock Bushing Driver Set
(excellent for rebuilding seal heads)
TSBD SET
$38.99
Seal Head Setting Tool
(saves time but not required)
TSSS 01
$54.99
Nitrogen Gauge
(must have shock charging equipment)
TSNG 02
$159.99
Shock Compression Adjuster Socket
TSCA 01
$32.99
Reservoir Cap Setting Tool
TSRC 01
$39.99
Sag Master
(not required but, of course, very cool)
TSSM 01
$10.99
Vacuum Master
(shock bleeding tool)
TSVM 01
$1,999.99
>> ENGINES - LABOR ONLY <<
Data
Price
Qty
Full Porting - Requires Valve Job
Better power than Pocket Porting Recommend 5-Angle Radius Valve Job for Best Performance Bare Head (no valves) - does not include Rebuild Includes Soda Blasting and Ultrasonic Cleaning
L4DCH FP015
$447.50
Pocket Porting - Requires Valve Job
Great Value Recommend 5-Angle Radius Valve Job for Best Performance Bare Head (no valves) - does not include Rebuild Includes Soda Blasting and Ultrasonic Cleaning
L4DCH PP015
$142.50
Valve Job - 5-Angle Radius
5-Angle Radius for Hi-Performance (same reliability as 3-Angle) Bare Head (no valves) - does not include Rebuild Includes Soda Blasting and Ultrasonic Cleaning
L4DCHVJ515
$242.50
Valve Job - 3-Angle
Bare Head (no valves) - does not include Rebuild Includes Soda Blasting and Ultrasonic Cleaning
L4DCHVJ315
$220.00
Rebuild Head - Labor
For a Complete Head with Valves and Cams Includes Setting Valve Lash
L4DCHRB015
$110.00
Install New Seat (each)
Seat installation Requires a Valve Job
L4DCHIS011
Install New Guide (each)
Guide installation Requires a Valve Job
L4DCHIG011
Crank Rebuild
L4DCRRBT10
$137.50
Cylinder Hone
(Precision Rigid Hone)
L4DCYHON10
$45.00
Deck Cylinder
L4DCYDEC10
$72.50
Engines - Parts
Data
Price
Qty
Engines - Tools
Data
Price
Qty
Valve Spring Compressor
If you rebuild a lot of heads this is the tool for you.
TESC 01
$899.99
3/29/2023
Add To Cart