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.
We use PayPal for payment processing so you know your transaction is safe and secure.
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.
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Camshaft Profiles: |
VALVE LIFT |
DURATION |
DURATION @ 0.050" |
GRIND NUMBER |
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PART NUMBERS |
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.369/.359 |
276°/269° |
254°/246° |
1091/1092 |
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Regrind
N/A
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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 |
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New Cam
81-242
$746.00 |
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.355/.355 |
282°/276° |
258°/252° |
943/187 |
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Regrind
N/A
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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 |
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New Cam
81-232
$746.00 |
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.356/.363 |
282°/286° |
262°/263° |
963/216 |
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Regrind
N/A
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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 |
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New Cam
81-252
$746.00 |
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Other Products: |
Cam Core |
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CC-Y33
$395.00 |
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Please specify year and model when ordering. Price Per Set (2). |
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Cam Gear, Adjustable With Adaptors |
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CG-Y45
$210.00 |
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Use with all WEB CAM profiles for precise engine tuning. Kit includes adjustable sprockets, adapters, cam bolts. Price Per Set (2). |
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Valve Spring Kit With Aluminum Retainers |
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VC-Y07
$218.50 |
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Kit includes performance single PSI springs, Aluminum retainers, and bottom. OK to .400" valve lift. Price Per Set (5). |
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Valve Spring Kit With Titanium Retainers |
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VC-Y46
$205.00 |
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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). |
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Valve Spring Kit With Titanium Retainers |
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VC-Y49
$300.00 |
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Kit includes performance single PSI springs, Titanium retainers, and bottom cups. OK to .400" valve lift. Price Per Set (5). |
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Valves, Stainless Intake Center Standard Size |
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IV-Y09
$38.00 |
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Standard size 27 mm. Price (Each). |
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Valves, Stainless Intake Standard Size |
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IV-Y06
$38.00 |
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Standard size 27 mm. Price (Each). |
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Valves, Stainless Intake Center Oversized +1 mm |
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IV-Y10
$38.00 |
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Oversized to 28 mm. Price (Each). |
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Valves, Stainless Intake Oversized +1 mm |
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IV-Y08
$38.00 |
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Oversized to 28 mm. Price (Each). |
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Valves, Stainless Exhaust Standard Size |
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EV-Y11
$38.00 |
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Standard size 28 mm. Price (Each). |
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Valves, Stainless Exhaust Oversized +1 mm |
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EV-Y12
$38.00 |
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Oversized to 29 mm. Price (Each). |
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Valves, Titanium Intake Center Oversized +1 mm |
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IV-Y15
$160.00 |
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Oversized to 28 mm. Price (Each). |
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Valves, Titanium Intake Oversized +1 mm |
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IV-Y14
$160.00 |
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Oversized to 28 mm. Price (Each). |
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Valves, Titanium Intake Center Oversized +2 mm |
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IV-Y18
$160.00 |
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Oversized to 29 mm. Price (Each). |
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Valves, Titanium Intake Oversized +2 mm |
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IV-Y17
$160.00 |
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Oversized to 29 mm. Price (Each). |
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Valves, Titanium Exhaust Oversized +1 mm |
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EV-Y16
$160.00 |
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Oversized to 29 mm. Price (Each). |
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Valves, Titanium Exhaust Oversized +2 mm |
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EV-Y18
$160.00 |
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Oversized to 30 mm. Price (Each). |
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Valve Guide, Shortened .030" Intake Standard Size |
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VG-Y02-I
$15.75 |
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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). |
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Valve Guide, Shortened .030" Exhaust Standard Size |
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VG-Y02-E
$15.75 |
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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). |
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Installation Information: |
LINK |
Degreeing In Your Camshaft |
PDF |
JPG |
General Valve Spring Information |
PDF |
JPG |
Valve Spring Installed Height Information |
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