Do you have spark at the coil? If not it could be the coil but I would put my money on a faulty ecm. Happened to mine and the repaired ecm fixed it.
1987 Suzuki Truck Samurai 1.3L 2BL SOHC 4cylThe Spark Plug Gap.032 (In thousandths of an inch)
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Spark plug gap is 0.028 to 0.031 inch or 0.7 to 0.8 mm
The spark plug gap for a 1985 Suzuki Samurai is typically set at 0.028 to 0.031 inches (0.7 to 0.8 mm). It's important to check the owner's manual or a repair guide for specific recommendations, as variations may exist based on engine configuration or modifications. Always ensure the gap is adjusted properly for optimal engine performance.
check coils stator and all connections test procedure check coils stator and all connections test procedure
A lack of spark on a Suzuki 250 ATV can be caused by several issues, including a faulty spark plug, a malfunctioning ignition coil, or a problem in the wiring or connections within the ignition system. Additionally, issues with the CDI (capacitor discharge ignition) unit or a blown fuse could also lead to no spark. It's essential to systematically check each of these components to diagnose the problem accurately. Regular maintenance and inspection can help prevent these issues from occurring.
The correct spark plug gap for NGK plugs in a 1987 Suzuki Samurai is typically set at 0.028 inches (0.7 mm). It's important to verify this with the vehicle's service manual or manufacturer's specifications, as variations may exist based on engine modifications or conditions. Always ensure the gap is adjusted properly before installation for optimal engine performance.
check your battery connections (maybe loose wires)
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The spark plug gap for a 1998 Suzuki GS500 is .035"
Download the FREE Suzuki Samurai Shop Manual from http://www.suzukiinfo.com/ or visit zukikrawlers.com zn