SBT Chain Tensioner Assembly 420236259 for Sea-Doo GTI, GTX, RXP, RXT, GTR, Challenger, Speedster 2002-2026

This is the cam chain tensioner kit for the 4-stroke Rotax engines in Sea-Doo jet skis, matching OEM 420236259. It fits a wide range of Sea-Doo GTI, GTX, RXP, RXT, GTR, Challenger, Speedster and Explorer models. Replace it when the tensioner is worn or leaking, or any time the cylinder head is apart and you want the timing chain held to the right tension. The kit comes with the copper washer and M16 plug screw, so you don't have to hunt for them.

Fits

• Sea-Doo GTI / GTI 130 / GTI 155 / GTI LTD / GTI SE 130 / GTI SE 155 / GTI SE 170 (2006-2026)
• Sea-Doo GTX 4-TEC / GTX 155 / GTX 170 / GTX 215 / GTX 230 / GTX 300 / GTX LTD / GTX S / GTX Pro 130 / GTX Fish Pro (2002-2026)
• Sea-Doo GTR 215 / GTR 230 / GTR X 230 (2012-2026)
• Sea-Doo GTS / GTS 130 / GTS Pro 130 (2011-2016)
• Sea-Doo RXP / RXP 155 / RXP 215 / RXP-X 255 / RXP-X 260 / RXP-X 300 (2004-2019)
• Sea-Doo RXT / RXT 215 / RXT 230 / RXT 260 / RXT iS / RXT-X 255 / RXT-X 260 / RXT-X 300 (2005-2019)
• Sea-Doo Explorer 170 / 230 / 300 / Pro 170 / Pro 230 (2023-2026)
• Sea-Doo Fish Pro Scout 130 / Sport 170 / Trophy 170 (2022-2026)
• Sea-Doo 150 Speedster / 200 Speedster / Speedster 150 / Speedster 200 (2004-2012)
• Sea-Doo 180 Challenger / 210 Challenger / 230 Challenger / Challenger 180 / Challenger 230 (2005-2012)
• Sea-Doo 205 Utopia / 210 SP / 210 Wake / 230 SP / 230 Wake / Islandia 220 / Islandia SE (2006-2012)

What's included

• Chain tensioner
• Copper washer
• M16 plug screw

Replaces OEM part numbers

420236259

Not sure it fits your ski? Call or text 954-914-6465 with your hull ID (HIN) and we'll confirm before you order.