Product images and videos are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Fasteners› Engine Fastener Kits
Bolt Lock
Bolt Lock Engine Fastener Kit for Yamaha 4-stroke motorcycles
SKU: E-YF4-0609
Easy — 1–2 hours
Overview
Each fastener has an M8 thread size and a 10mm hex head for secure installation. The kit includes hardware for crankcase covers and assembly, clutch cover and components, oil filter cover, case saver mounting, water pump assembly, and various top-end bolts (model dependent). The zinc-plated finish provides long-lasting protection and a factory-fresh look, eliminating the need to source individual fasteners for a complete engine rebuild or restoration.
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Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Fitment
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Available on iOS & Android
Specifications
| Brand | Bolt Lock |
| Part Number | E-YF4-0609 |
| Category | Fasteners |
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About MOTORMIA
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Returns & Fitment
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.
Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.
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