Yamaha YFZ 450 R (09-12) FI DOHC 5v


** Prices And Specifications Effective May 2012, 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.

Camshaft Profiles:

VALVE
LIFT

DURATION

DURATION
@ 0.050"

GRIND
NUMBER

PART
NUMBERS

OPTIONS QTY PURCHASE

.369/.359

276°/269°

254°/246°

1091/1092

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Regrind

N/A

High lift short duration racing profile. Requires Exhaust System, High Compression Piston, and Performance Valve Spring Kit. Price Per Set (2).

Hardweld

81-241

$532.00 + core

New Cam

81-242

$746.00

.355/.355

282°/276°

258°/252°

943/187

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Regrind

N/A

Performance profile designed to increase mid and upper end. Requires Exhaust System, High Compression Piston, and Performance Valve Spring Kit. Price Per Set (2).

Hardweld

81-231

$532.00 + core

New Cam

81-232

$746.00

.356/.363

282°/286°

262°/263°

963/216

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Regrind

N/A

Top end profile. Injection modifications may be necessary. Requires Exhaust System, High Compression Piston, and Performance Valve Spring Kit. Price Per Set (2).

Hardweld

81-251

$532.00 + core

New Cam

81-252

$746.00

Other Products:

Cam Core

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CC-Y33

$395.00

Please Call Us At 951/369-5144 To Order CC-Y33

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

Cam Gear, Adjustable With Adaptors

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CG-Y45

$210.00

Use with all WEB CAM profiles for precise engine tuning. Kit includes adjustable sprockets, adapters, cam bolts. Price Per Set (2).

Valve Spring Kit With Aluminum Retainers

 

VC-Y07

$218.50

Please Call Us At 951/369-5144 To Order VC-Y07

Kit includes performance single PSI springs, Aluminum retainers, and bottom. OK to .400" valve lift. Price Per Set (5).

Valve Spring Kit With Titanium Retainers

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VC-Y46

$205.00

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

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VC-Y49

$300.00

Kit includes performance single PSI springs, Titanium retainers, and bottom cups. OK to .400" valve lift. Price Per Set (5).

Valves, Stainless Intake Center Standard Size

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IV-Y09

$38.00

Standard size 27 mm. Price (Each).

Valves, Stainless Intake Standard Size

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IV-Y06

$38.00

Standard size 27 mm. Price (Each).

Valves, Stainless Intake Center Oversized +1 mm

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IV-Y10

$38.00

Oversized to 28 mm. Price (Each).

Valves, Stainless Intake Oversized +1 mm

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IV-Y08

$38.00

Oversized to 28 mm. Price (Each).

Valves, Stainless Exhaust Standard Size

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EV-Y11

$38.00

Standard size 28 mm. Price (Each).

Valves, Stainless Exhaust Oversized +1 mm

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EV-Y12

$38.00

Oversized to 29 mm. Price (Each).

Valves, Titanium Intake Center Oversized +1 mm

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IV-Y15

$160.00

Oversized to 28 mm. Price (Each).

Valves, Titanium Intake Oversized +1 mm

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IV-Y14

$160.00

Oversized to 28 mm. Price (Each).

Valves, Titanium Intake Center Oversized +2 mm

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IV-Y18

$160.00

Oversized to 29 mm. Price (Each).

Valves, Titanium Intake Oversized +2 mm

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IV-Y17

$160.00

Oversized to 29 mm. Price (Each).

Valves, Titanium Exhaust Oversized +1 mm

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EV-Y16

$160.00

Oversized to 29 mm. Price (Each).

Valves, Titanium Exhaust Oversized +2 mm

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EV-Y18

$160.00

Oversized to 30 mm. Price (Each).

Valve Guide, Shortened .030" Intake Standard Size

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VG-Y02-I

$15.75

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

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VG-Y02-E

$15.75

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).

Installation Information:

General Installation Information

Degreeing In Your Camshaft

General Valve Spring Information

Valve Spring Installed Height Information



Last update: May 16 2012