Engine & Exhaust > Cylinder Heads & Motor Mounts >
PRO SERIES CYLINDER HEADS
Features
- An economical alternative to the standard, milled OEM head
- Precision cast with a superior design and outstanding features
- R&D heads raise baseline compression ratio, giving greater overall power and torque
- Made from cast aluminum with improved waterjacket areas for better cooling; combustion chambers are CNC-machined for exact chamber volume matchup
- Direct bolt-on replacements with high-temp O-rings mean there are no thin gaskets prone to failure in high-performance applications
- ”B” heads are for upgraded recreational performance and let you run standard 92-octane pump gas while increasing throttle response and reliability
Images
Sea-Doo
| Part # | Description | Retail |
|---|---|---|
| 413-90046 | FITS MODEL: 951 (all), COMBUSTION CHAMBER VOLUME: 46cc - B (recreational) | $297.95 |
Yamaha
| Part # | Description | Retail |
|---|---|---|
| 412-700351 | FITS MODEL: 701 (all), COMBUSTION CHAMBER VOLUME: 35cc - B (recreational) OEM cylinder | Not given |
Head 0-Rings
| Part # | Description | Retail |
|---|---|---|
| 080-75000 | Kawasaki (2) for all twin apps | $8.95 |
| 080-76000 | Yamaha (2) for all twin apps | $8.95 |
Descriptions and notes
Twin Heads
412-70035: Will not fit the 701 WaveRaider or WaveVenture unless an aftermarket exhaust that doesn’t bolt to cylinder head is used.
This item appears on page 74 of the Watercraft Catalog