Red Line 10W30 Motorcycle Oil is a full synthetic four stroke oil built on PAO and ester base stocks and carrying 2200 ppm of ZDDP for antiwear protection. Its friction modifiers are selected for wet clutch compatibility, so it suits JASO MA and MA2 applications, and it meets API SJ, SG and SH service classifications. Typical properties are 11.2 cSt at 100 degrees C, 69 cSt at 40 degrees C, a viscosity index of 155, a pour point of -45 degrees C and 5% NOACK volatility, with zero viscosity loss in the ASTM D6278 shear test.
Specifications
| Type | Full synthetic four stroke motorcycle oil |
| Viscosity | SAE 10W30 |
| Base Stock | PAO and ester |
| Specifications | API SJ/SG/SH, JASO MA/MA2 |
| Additive Content | 2260 ppm zinc, 2030 ppm phosphorus, 130 ppm molybdenum |
| Viscosity at 100C | 11.2 cSt |
| Viscosity Index | 155 |
| Pour Point | -45 C (-49 F) |
| Size | 1 quart (12 Pack) |
| Quantity | 12 bottles |
| Part Number | 42304 |
Shipping
- In-stock orders placed before 3 PM EST ship the same day — everything else ships within 24 hours.
- Standard, expedited, and overnight options at checkout.
- Oversized items ship by freight and take longer.
- Backordered items ship as soon as stock lands — contact us for lead times.
- International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.
Returns
- 30-day returns on new, uninstalled items in original packaging with all hardware.
- Standard returns: 8% restocking fee, buyer pays return shipping. Both waived if the item is defective or we made the error.
- Installed or used parts can’t be returned — confirm fitment before you install.
- Special orders and custom items are final sale.
- Email us for return authorization before shipping anything back.
Full details: Shipping Policy · Refund Policy
