S25-166 Yanmar Marine 24V 3.5kW 15T Starter Motor Wholesale

S25-166 Yanmar Marine Starter Motor for Boatyard and Coastal Supply

A marine no-start can delay departure, service work or auxiliary operation, while access to the engine may be limited. A useful S25-166 enquiry identifies the Yanmar marine engine, vessel use, battery system, old-unit label, dry photographs, quantity and port destination so the distributor can plan a traceable replacement.

Confirm the stated 24V 3.5kW output with 15T, module 2.54 and clockwise rotation. Compare the Ø120 face, Ø95 locating reference, two Ø13.5 holes, 30-degree upper-ear orientation and 21 mm drive position, because the wider 129612 family also appears in non-marine engine listings.

S25-166 24V 3.5kW Marine Starter Dimensions and Mounting Drawing

Keep S25-166, Yanmar marine, 24V, 3.5kW, 15T and CW together on the quotation and carton label. This complete identity helps coastal branches separate the stated marine configuration from related 4.5kW industrial listings without inventing a broader vessel fitment claim.

S25-166 Yanmar Marine Starter Dimensions for Coastal Parts Buyers — compare the drawing with the removed starter before placing a volume order.

Use clean, dry photographs of the removed starter to compare the 30-degree upper ear, lower mounting holes, Ø120 face and Ø95 locating reference. A side image should show the 21 mm drive position and terminals, giving the boatyard a practical check before the engine space is disturbed.

S25-166 Marine Engine Matching Within the 129612 Reference Family

S25-166 is associated with S25-166A, 129612-77010, 129612-77011, 20513063 and STH3487ML. Use those numbers as sourcing links, but keep the marine engine identity and stated 3.5kW rating visible so an industrial 4.5kW listing is not used as the only decision basis.

Marine distributors can plan stock by supported engine population, vessel season, port coverage and resupply time. Separate routine boatyard replenishment from emergency coastal reserve, then retain the confirmed engine, battery system and two-ear mounting images with every transfer between branches or service partners.

S25-166 Dry Storage, Coastal Stock and Incoming Inspection Support

Store and transport the starter dry, with the pinion, mounting ears and terminals protected from impact and moisture. Incoming inspectors should sample labels, fifteen-tooth drives, mounting faces and terminal hardware, recording the lot before units enter coastal stock so any physical variation is contained early.

Marine-parts importers can see Elecdura starter production and electrical test steps in the following video. Use it to set sample and repeat-lot expectations, while the Yanmar engine details, stated 3.5kW rating and 30-degree mounting face remain the direct product checks for S25-166.

S25-166 Yanmar Marine Starter Questions for Coastal Distributors

Which Yanmar marine details should be supplied for an S25-166 enquiry?

Provide the marine engine model and plate, vessel or equipment use, battery-bank voltage, complete old-starter marking and clear dry photographs of the drive end, pinion and terminals. Include the port destination and service deadline. This evidence lets the distributor compare one stated S25-166 configuration without making a broad claim across all Yanmar marine engines.

Why should a marine buyer keep the stated 3.5kW rating visible?

The wider S25-166 and 129612 family also appears in industrial listings with other output descriptions. For this product, keep 24V, 3.5kW, 15T, module 2.54 and CW together in the quotation, table and carton label. Consistent wording helps a coastal branch avoid using an industrial listing as the only selection guide.

How does the 30-degree upper ear help identify the marine drive end?

Compare the upper-ear orientation with the two lower Ø13.5 holes, Ø120 face and Ø95 locating reference. The side view should show the 21 mm drive position and terminal arrangement. This geometry gives the boatyard a direct physical check when the motor body looks similar to another Yanmar starter in a shared reference family.

What battery and cable checks should a boatyard complete before replacement?

Test the 24V battery bank under load, measure voltage drop on positive and ground paths, inspect isolators and cable lugs, and verify the start signal at the solenoid. Record corrosion or heat damage. These checks help prevent a high-resistance marine circuit from being mistaken for starter failure or shortening the life of a new S25-166 unit.

How should S25-166 be stored in a coastal parts warehouse?

Keep the unit dry, sealed from humidity and supported so the pinion, ears and terminals cannot contact the carton. Avoid open storage near wash areas or salt spray, and rotate stock by delivery lot. Clear S25-166 and 24V 15T markings help staff inspect packaging condition before the starter is sent to a boatyard.

Can 129612-77010 or 129612-77011 be used as marine search references?

They can help locate the wider replacement family, but the marine engine identity, stated 3.5kW rating and 30-degree face still need confirmation. Do not assume that an industrial 4.5kW listing represents this product. Keep the complete old-unit number and dry physical photographs attached to the S25-166 purchase record.

Which incoming checks matter for a marine starter shipment?

Sample rating labels, fifteen-tooth pinions, mounting faces, locating surfaces, solenoid studs and dry packing across the lot. Check for impact, moisture marks or corrosion before dispatch. Compare the units with the accepted marine photographs and record the delivery lot so a different physical version can be contained before it reaches coastal service stock.

What should a coastal distributor send for S25-166 wholesale pricing?

Email the Yanmar marine engine plate, vessel or equipment use, battery voltage, complete S25-166 or 129612 marking, dry front, pinion and terminal photographs, quantity, port destination and required date. Mention individual packing or inspection needs. Elecdura can then review the stated marine configuration and prepare pricing, lead time and shipment options.

Request S25-166 Yanmar Marine Starter Motor Wholesale Pricing

Send the Yanmar marine engine plate, vessel or equipment use, complete S25-166 or 129612 marking, dry drive-end, pinion and terminal photographs, battery voltage, quantity and port destination to info@elecdurauto.com. Elecdura will review the stated marine configuration and provide wholesale pricing, packing and lead time.