I’d like to introduce the lubricants we use at our shop. These are brands we’ve arrived at through repeated real-world testing, and we recommend them with confidence.
Engine Oil
We use Shell Advance for over-the-counter oil changes
| Product Name | Viscosity | Price (Tax Excluded) | Details | Manufacturer’s Page |
|---|---|---|---|---|
| Shell Advance 4T Ultra | 10W-40 | ¥3,200 / 1L | Fully Synthetic Oil JASO: MA2 API: SN | Shell Advance |
| 15W-50 |

Front Fork Oil Viscosity Chart
| Brand/Grade | Kinematic Viscosity |
|---|---|
| Suzuki SS-19 | 14.1 |
| Castrol LIGHT | 15.0 |
| Motul Factory Line Very Light 2.5W | 15.0 |
| Kawasaki KHL-15-10 | 15.3 |
| Wako’s FK01 | 15.4 |
| Suzuki L01 | 15.5 |
| Yamaha 01 | 15.6 |
| Suzuki SS-05 | 15.7 |
| Showa SS-05 | 15.7 |
| Suzuki L05 | 15.9 |
| Ohlins No.5 | 16.5 |
| Showa SS-7 | 16.6 |
| Suzuki W-15 | 16.8 |
| Honda 5 | 17.0 |
| Yamaha G5 | 17.7 |
| Kawasaki G5 | 17.9 |
| Motul Factory Line Light 5W | 18.0 |
| Suzuki G5 | 18.1 |
| Ohlins R&T43 | 19.0 |
| Showa SS-15 | 20.0 |
| Ohlins No.10 | 22.0 |
| WP #5 | 22.0 |
| Motul Factory Line Light-Medium | 24.0 |
| Suzuki G10 | 33.3 |
| WP #7.5 | 33.4 |
| Wako’s FK10 | 33.6 |
| Kawasaki G10 | 33.9 |
| Suzuki SS-47 | 34.9 |
| Honda 10 | 35.2 |
| Motul Expert Medium 10W | 35.9 |
| Motul Factory Line Medium 10W | 36.0 |
| Suzuki SS-08 | 36.6 |
| Showa SS-8 | 36.8 |
| Kayaba G10S | 37.2 |
| Yamaha G15 | 47.3 |
| Suzuki G15 | 47.7 |
| WP #10 | 48.1 |
| Kawasaki G15 | 49.5 |
| Wako’s FK20 | 53.4 |
| Kayaba G15S | 55.2 |
| Motul Expert Medium-Heavy 15W | 57.1 |
| Suzuki G20 | 67.0 |
| WP #15 | 67.8 |
| Castrol MEDIUM | 68.3 |
| Motul Expert Heavy 20W | 77.9 |
| Kayaba G30S | 116.1 |