The recommended plug is the NGK CR8E . Ensure the gap is set between 0.7 mm and 0.8 mm .

Set the inlet valve to 0.05–0.07 mm and the exhaust valve to 0.13–0.18 mm .

Owners frequently encounter a few specific problems that can be addressed using parts from the GS150R Parts Catalogue: GS150R Parts Catalogue Overview | PDF - Scribd

The Suzuki GS150R has long been a favorite for commuters seeking a balance of efficiency and refined 150cc performance. However, maintaining its specialized components—like its unique 6-speed gearbox—requires accurate technical data.

Major service: check valve clearances, replace the air filter, and inspect brake pads.

To keep your engine running smoothly, follow these factory-recommended parameters often found in the technical service data: