BGS 9273 | Piston Height Adjustment Tool | M14 x 1.25

• required when setting the ignition timing on most older motorcycles with 2-stroke engines
• knurled sleeve for accurately positioning the piston height
• suitable for engines with M14 x 1.25 spark plug thread

required when setting the ignition timing on most older motorcycles with 2-stroke engines knurled sleeve for accurately positioning the piston height suitable for engines with M14 x 1.25 spark plug thread