REPLACES PART NUMBERS:
• 92139-3711
ITEM SPECIFICATIONS:
• Component: Center Crankshaft Bearing
• Size: 0.5mm Undersize (Under Stock)
• Application: Center Main Crankshaft Journal
• Engine Type: 4-Stroke 1200cc / 1500cc
• Brand: Kawasaki
COMPATIBLE MODELS:
Kawasaki: STX-12F 1200cc (2003-2007), STX-15F 1500cc (2004-2009),
Ultra 250X (2007-2008), Ultra 260LX (2009), Ultra 260X (2009)
PRODUCT DETAILS:
Direct replacement 0.5mm undersize center crankshaft bearing for Kawasaki 4-stroke personal watercraft engines covering 1200cc STX-12F and 1500cc STX-15F and Ultra series models from 2003 through 2009. This bearing replaces the standard center crankshaft main bearing when the crankshaft center journal has been ground 0.5mm below factory specifications to correct for wear, scoring, or damage. Manufactured to precise tolerances to provide proper clearance when paired with a crankshaft machined to the 0.5mm undersize specification. The center main bearing position is critical for proper crankshaft support and oil pressure distribution in the Kawasaki 4-stroke personal watercraft engine. Kawasaki STX-12F and STX-15F models as well as the Ultra 250X, Ultra 260LX, and Ultra 260X are popular high-performance 4-stroke personal watercraft that benefit from precision bearing replacement during engine rebuild. A properly fitted undersize bearing restores correct journal clearance and oil film thickness for reliable long-term engine operation after crankshaft regrinding. Confirm your crankshaft journal size and part number before purchasing to verify proper fitment for your specific engine.
PRODUCT NOTICE:
As a parts distributor we mostly sell aftermarket parts (any OEM parts would be noted as such). Aftermarket parts are not sourced from the original vehicle or equipment manufacturer, but are designed to function the same as - if not better than - the original. All parts sold are new.
WARNING - This product may expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov
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