Crank Works Inc.
5245 S. Kyrene Rd Suite 32 Tempe, AZ 85283
Email: cwi@crankworks.com

Motorcycle Services

Please remember to fill out a work order for every order. We cannot perform any work without a work order. Work Order

WARNING: Yamaha YZ85 owners - it is recommended that you use only OEM rod kits, or if you convert to aftermarket kits, that you continue to use an aftermarket kit. The OEM rod pin only allows for a 0.031mm press fit when matched to an aftermarket rod, which can lead to bearing failure.

CHOOSE TYPE:

Single Cylinder
Twin Cylinder
SINGLE CYLINDER CRANK SERVICES
Crank Labor / Rebuild Labor

2-Strokes -
4-Strokes up to 499cc -
4-Strokes 500cc or more -

Includes: disassembly, inspection, assembly, and truing of crank
Balancing NOT included
Does NOT include new parts if needed

$95.00
$105.00
$125.00

Cut Welds on Crank Pin

If pin has previously been welded, the welds are cut for the disassembly process
Does not apply to cranks that have not been previously welded

$10.00

Stroke

Increasing the stroke is a cost-effective way to add torque and power.
Includes: machining pin hole to desired stroke
Balancing NOT included, but is highly recommended
Does not include crank labor
Does NOT include new parts if needed
May require Rod Mod 1, 2, or 3

$300.00

Balance

Balancing reduces vibration and improves longevity.
Includes: machine work to balance to your desired piston
Requires you to provide your complete piston assembly, or its weight in grams
Does NOT include crank labor
Does NOT include new parts if needed
Does NOT include any heavy metal added (32¢ per gram)*

$200.00*

Lighten

Pocket Lighten -
Pork Chop Lighten** -

$235.00
$285.00

Crank is machined to reduce overall mass. Allows the engine to rev faster for improved acceleration.
Includes: machine work to reduce mass
Balancing NOT included, but is highly recommended
Does NOT include crank labor
Does NOT include new parts if needed
Some cranks may have additional costs
**Pork chop lighten only available for some cranks. Call us to find out if your crank is eligible.

Learn More...

Lighten Honda CRF250R Counter Balancer

Counter balancer is machined to reduce overall mass. Allows the engine to rev faster for improved acceleration.

$168.00

True and Weld

Crank trued by a qualified technician to OEM specifications or better, and pin welded to ensure crank halves stay true

$65.00

Heavy Crank

Add weight to reduce acceleration of rotating mass and create more inertia. Allows the engine to rev slower for improved traction.
Balancing NOT included, but is highly recommended
Does NOT include crank labor
Some cranks can cost an extra $150 - $300 for heavy metal
Crank may need to be re-stroked due to warping during welding ($85 per web if necessary)

$275.00*

Friction Reduction

Smooths the surface of the crank to allow for better oil flow and to allow the engine to rev faster for improved acceleration (4-strokes only)

$195.00

Atomization Surface Treatment (AST)

Roughens the surface of the crank to better atomize the fuel, making for a cleaner and more efficient burn, which leads to more horsepower (2-strokes only)

$135.00

Rod Modification 1

Machining bottom of rod for clearance

$30.00

Rod Modification 2

Rod Mod 1 + narrowing bottom end of rod

$55.00

Rod Modification 3

Rod Mod 2 + narrowing of rod beam and rod is shot peened

$85.00

* Additional charges for cranks requiring heavy metal added $0.32 per gram retail.

Honda CRF250R Lightened Crank

(Click on image for more details)

TWIN CYLINDER CRANK SERVICES
Crank Labor / Rebuild Labor

Includes: disassembly, inspection, assembly, and truing of crank

$185.00

Cut Welds on Crank Pin

If pin has previously been welded, the welds are cut for the disassembly process
Does not apply to cranks that have not been previously welded

$20.00

Stroke

Increasing the stroke is a cost-effectve way to add more torque and power.
Includes: machining pin hole to desired stroke

Balancing NOT included, but is highly recommended
Does NOT include crank labor
Does NOT include new parts if needed
May require Rod Mod 1, 2, or 3

$400.00

Rod Modification 1

OD of bottom of rod reduced to provide clearance for stroker cranks
Pricing is per rod

$30.00

Rod Modification 2

Rod Mod 1 + bottom of rod is narrowed for installation of different bearings or for a narrower crank
Pricing is per rod

$55.00

Rod Modification 3

Rod Mod 2 + the rod beam is narrowed and the rod is shot peened
Pricing is per rod

$85.00

Balance

Balancing reduces vibration and improves longevity.
Includes: machine work to balance crank to desired piston

Requires you to provide your complete piston assembly, or its weight in grams
Does NOT include crank labor
Does NOT include new parts if needed
Does NOT include any heavy metal added (32¢ per gram)*

$375.00*

Lighten

Crank is machined to reduce overall mass. Allows the engine to rev faster for improved acceleration.
Includes: machine work to reduce mass
Balancing NOT included, but is highly recommended
Some cranks may have additional costs

$470.00

Phase Pinning

Prevents crank from twisting out of phase

$20.00

True and Weld

Crank trued by a qualified technician to OEM specifications or better, and pin welded to ensure crank halves stay true

$115.00

* Additional charges for cranks requiring heavy metal added $0.32 per gram retail
WORK ORDER