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Yamaha YFZ 450 R (14-18) FI DOHC 5v


Prices And Specifications Effective December 2017, And Are Subject To Change Without Notice.


When a core is required for an item, the core charge will automatically be added to your cart when you add the item. You must return your re-workable OEM core within 180 days of purchase in order to receive a core refund. If we do not offer a core for your application, you need to call us first, and send your core in to be reground / hardwelded.

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You do NOT need a PayPal account to shop with us, you can use your credit card.
You may also call us to order any of the listed items.

All in stock orders placed on-line Monday - Friday before 3:00pm Pacific, will ship the same day.

Please be sure to read our Ordering Policies.

Custom cam grinding is available for this model, please call us directly for more details.

Camshaft Profiles:

VALVE
LIFT

DURATION

DURATION
@ 0.050"

GRIND
NUMBER


.355/.355


282°/282°


258°/258°

943


Performance profile to increase overall power. Works well in motocross applications. Requires Exhaust System, High Compression Piston, and Performance Valve Spring Kit. Price Per Set (2).


Regrind

N/A

Hardweld

81-691

$616.00 + core

Qty:

New Cam

N/A


.369/.357


276°/269°


254°/246°

1091/1092


Performance profile designed to increase overall performance. Works well in motocross type applications. Requires Exhaust System, High Compression Piston, and Performance Valve Spring Kit. Price Per Set (2).


Regrind

N/A

Hardweld

81-711

$616.00 + core

Qty:

New Cam

N/A


.375/.355


271°/276°


249°/252°

1317/187


High lift short duration for increase torque and acceleration. Requires Exhaust System, High Compression Piston, and Performance Valve Spring Kit. Price Per Set (2).


Regrind

N/A

Hardweld

81-721

$616.00 + core

Qty:

New Cam

N/A


.356/.363


288°/286°


264°/263°

963/216


Race profile designed for top end. Works well for flat track type applications. Requires Exhaust System, High Compression Piston, and Performance Valve Spring Kit. Check ALL clearances! Price Per Set (2).


Regrind

N/A

Hardweld

81-701

$616.00 + core

Qty:

New Cam

N/A

Other Products:

Cam Core

CC-Y27

$395.00

Please Call Us At 951/369-5144 To Order CC-Y27


Please specify year and model when ordering. Price Per Set (2).


Valve Springs Only (PSI)

VS-Y04

$185.00

Qty:


Performance single Beehive PSI Valve Spring. Works with the stock retainers. OK to .380" valve lift. Price Per Set (5).


Valve Spring Kit With Titanium Retainers (STD)

VC-Y46

$300.00

Qty:


Kit includes performance dual springs, Titanium retainers, valve guide seals, and bottoms. Required if using stainless steel valves. OK to .380 valve lift. Price Per Set (5).


Valve Spring Kit With Titanium Retainers (PRO)

VC-Y14

$250.00

Qty:


Kit includes Single Springs, Titanium Retainers, and Hardened Bottoms. OEM Keepers OK. Handles up to .430" valve lift. Price Per Set (5).


Valves, Stainless (Ferrea) Intake Center Standard Size

IV-Y32

$39.00

Qty:


Standard size 27 mm. Price (Each).


Valves, Stainless (Ferrea) Intake Standard Size

IV-Y30

$39.00

Qty:


Standard size 27 mm. Price (Each).


Valves, Stainless (Kibblewhite) Intake Center Standard Size

IV-Y09

$35.00

Qty:


Standard size 27 mm. Price (Each).


Valves, Stainless (Kibblewhite) Intake Standard Size

IV-Y06

$35.00

Qty:


Standard size 27 mm. Price (Each).


Valves, Stainless (Ferrea) Intake Oversized +1 mm

IV-Y33

$39.00

Qty:


Oversized to 28 mm. Price (Each).


Valves, Stainless (Kibblewhite) Intake Center Oversized +1 mm

IV-Y10

$35.00

Qty:


Oversized to 28 mm. Price (Each).


Valves, Stainless (Ferrea) Intake Center Oversized +1 mm

IV-Y31

$39.00

Qty:


Oversized to 28 mm. Price (Each).


Valves, Stainless (Kibblewhite) Intake Oversized +1 mm

IV-Y08

$35.00

Qty:


Oversized to 28 mm. Price (Each).


Valves, Stainless (Ferrea) Exhaust Standard Size

EV-Y27

$39.00

Qty:


Standard size 28 mm. Price (Each).


Valves, Stainless (Kibblewhite) Exhaust Standard Size

EV-Y11

$35.00

Qty:


Standard size 28 mm. Price (Each).


Valves, Stainless (Ferrea) Exhaust Oversized +1 mm

EV-Y28

$39.00

Qty:


Oversized to 29 mm. Price (Each).


Valves, Stainless (Kibblewhite) Exhaust Oversized +1 mm

EV-Y12

$35.00

Qty:


Oversized to 29 mm. Price (Each).


Valve Guide, Shortened .030" Intake Standard Size

VG-Y02-I

$15.00

Qty:


Made from special C630 Bronze material for longer wear. Standard size. Adds additional retainer to guide seal clearance. Custom sizes available +.001, +.002, +.004, +.010 Price (Each).


Valve Guide, Shortened .030" Exhaust Standard Size

VG-Y02-E

$15.00

Qty:


Made from special C630 Bronze material for longer wear. Standard size. Adds additional retainer to guide seal clearance. Custom sizes available +.001, +.002, +.004, +.010 Price (Each).