- Stage 1: stock engine/filters, stock/modified pipes; about a 5% power increase
- Stage 2: stock/mild modified engine, stock/modified pipes, stock/modified filters; about an 8% power increase
- Stage 3: stock/mild modified engine, stock/modified pipes, individual air filters; driveability may be compromised, N/A for some motors; about a 10-15% power increase
- Stage 7: race-only, high rpm, not for street use
- Increases power and drivability
- Fully adjustable
Yamaha -- XJ 650 Maxim -- (1981, 1980, 1983, 1982); Yamaha -- XJ 650 L Turbo Seca -- (1983, 1981, 1982); Yamaha -- XJ 650 R Seca -- (1982)