2Bros Parts

CAMSHAFT 01-13 YZF250 WR250F, EXHAUST HOT CAMS 4020-1E

$326.57

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Delivery to United States 5–8 business days

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Hot Cams Stage 1 exhaust camshaft for dual-cam engines. Enhances bottom-end and midrange power for better snap. Retains stock valve springs for convenient installation. Includes auto-decompressor mechanism. Intake and exhaust cams are sold separately. Exhaust Lift: 8.10 mm. Exhaust Duration (at 1mm): 252°. Exhaust Lobe Center: 104°. Exhaust Valve Lash: 0.20 mm. Shim Kit Required: HCSHIM01. Part Number: 56-C309.EX.

Specifications
SKU
56-C309.EX
Brand
Hot Cams
Availability
In Stock (2)

Fitments (26)

MakeModelYear
YAMAHAWR 250F2001
YAMAHAWR 250F2002
YAMAHAWR 250F2003
YAMAHAWR 250F2004
YAMAHAWR 250F2005
YAMAHAWR 250F2006
YAMAHAWR 250F2007
YAMAHAWR 250F2008
YAMAHAWR 250F2009
YAMAHAWR 250F2010
YAMAHAWR 250F2011
YAMAHAWR 250F2012
YAMAHAWR 250F2013
YAMAHAYZ 250F2001
YAMAHAYZ 250F2002
YAMAHAYZ 250F2003
YAMAHAYZ 250F2004
YAMAHAYZ 250F2005
YAMAHAYZ 250F2006
YAMAHAYZ 250F2007
YAMAHAYZ 250F2008
YAMAHAYZ 250F2009
YAMAHAYZ 250F2010
YAMAHAYZ 250F2011
YAMAHAYZ 250F2012
YAMAHAYZ 250F2013
General Product Group
Cam & Valvetrain
General Product Type
Camshaft
Variant Id
252467
Delivery5–8 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Hot Cams Stage 1 Exhaust Camshaft

Upgrade your motorcycle's performance with the Hot Cams Stage 1 Exhaust Camshaft. This camshaft is engineered to boost bottom-end and midrange power, providing a noticeable improvement in throttle response and overall performance. Designed specifically for dual-cam engines, it features an integrated auto-decompressor mechanism for reliable starting and operation.

Key Features:

  • Stage 1 performance upgrade for exhaust camshafts.
  • Optimized to enhance low-end and midrange power delivery for improved acceleration.
  • Compatible with stock valve springs, simplifying installation.
  • Includes an automatic decompressor for ease of use.
  • Intake and exhaust camshafts are sold independently.

Specifications:

  • Exhaust Lift: 8.10 mm
  • Exhaust Duration (at 1mm): 252 degrees
  • Exhaust Lobe Center: 104 degrees
  • Exhaust Valve Lash: 0.20 mm
  • Required Shim Kit: HCSHIM01

This camshaft is an excellent choice for riders looking to maximize their engine's responsiveness and power output in the crucial low to mid-RPM range.

Before you buy

QUESTIONS? JUST ASK

Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00 (UK time).

Check the fitment table on this page against your make, model and year. Not sure? Call or email us and we will check it for you before you order.

Yes. We ship from the UK. Orders ship within 3 working days, then delivery to the United States takes 5–8 business days. The delivery price is shown at checkout before you pay. Delivery details

Yes. You have 14 days from delivery to return it, unused and in its original packaging. Contact us first and we will send you the return instructions. Returns policy

By card, PayPal, Apple Pay or Google Pay, or spread the cost with Klarna. Payment is taken securely by Stripe, and the options for your order are shown at checkout.

Any customs duties or import taxes charged in the United States are paid by you when the parcel arrives. Any tax we collect ourselves is shown at checkout before you pay.

More answers in our FAQ.

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