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RACING CAMS


Web cams are recognized as the finest and fastest cams money can buy. Webs for most the Yamahas are available as "Hardwelds" on the customer supplied cores.

 

 

 

YAMAHA RI (07-08)

CAM PART#

LIFT

DURATION @.050

NOTES

PRICE

(R) 81-280

.376/.338

272°/264°

Stock lift with less duration to increase torque and acceleration.

(R) 540.32

(W) 81-291

.369/.338

280°/268°

Performance profile designed to increase mid and upper end. Hardwelded profiles will need the journals hard chromed. Re- quires Exhaust System, and High Compression Piston.

(W) 834.24

(W) 81-301

.380/.348

282°/273°

Performance profile designed to increase mid and upper end. Hardwelded profiles will need the journals hard chromed. Re- quires Exhaust System, and High Compression Piston.

(W) 834.24

 

YAMAHA RI (00-03)

CAM PART#

LIFT

DURATION @.050

NOTES

PRICE

(W) 80-401

.332"

262°

Special intake profile designed to increase mid and upper end performance. Requires Performance Valve Spring Kit, High Compression Piston, and Adjustable Cam Sprockets.

(W) 579.04

 

YAMAHA R6 (06-09)

Core reqd with order. Some profiles may require hard chroming at additional cost.

CAM PART#

LIFT

DURATION @.050

NOTES

PRICE

(W) 81-200

.340"

236°

Special intake profile designed to increase throttle response and overall power.

(W) 269.28

 

YAMAHA R6 (03-05)

Core reqd with order. Some profiles may require hard chroming at additional cost.

CAM PART#

LIFT

DURATION @.050

NOTES

PRICE

(W) 81-191

.330/.305

258°/247°

Mid and top end profile. Requires exhaust system and high compression piston.

(W) 834.24

(W) 80-981

.335/.302

254°/240°

Stock lift w/ added duration for increase mid and upper performance. Bolt in - no mods necessary.

(W) 834.24

(W) 81-260

.340/.297

236°/230°

Designed to increase torque and acceleration. Great for sprint car applications. Can be ground if 49 state model / California model must be hardweld.

(W) 537.68

 

YAMAHA R6 (00-02)

Core reqd with order. Some profiles may require hard chroming at additional cost.

CAM PART#

LIFT

DURATION @.050

NOTES

PRICE

(W) 81-101

.320/.303

244°/223°

Bolt in performance cam for street/touring. California model only.

(W) 834.24

(W) 81-171

.330/.317

248°/236°

High lift short duration profile to increase throttle response. Requires exhaust system - check piston to valve clearance.

(W) 834.24

(W) 80-621

.335/.302

254°/240°

Mid and top end profile. Requires exhaust system and high compression piston.

(W) 834.24

(W) 80-531

.338/.317

257°/246°

Race profile for mid and top end performance. Requires exhaust system and high compression pistons

(W) 834.24

 

YAMAHA FJ1100 / FJ1200

Outright purchase available..Call for price.

CAM PART#

LIFT

DURATION @.050

NOTES

PRICE

(W) 80-291

.350"

238°

(225) Bolt in cams. Increases mid range and top end power.

(W) 775.28

(W) 81-221

.384"

248°

(163) Strong mid and top end cam. Must use APE valve springs and big bore piston kit.

(W) 775.28

(W) 80-301

.395"

256°

(110) 1300cc+ big bore drag race / street racemotors. Shim on bottom tappets and APE valve springs required.

(W) 775.28