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This pulley kit will fit a Yanmar 4JH3 Series engine. The Balmar part number is 48-YSP-4JH-D
This was a customer return but never installed or touched other than the box being opened.
The Pulley Kit:
These pattented AltMount / Balmar serpentine pulley
kits can drive an amazing amount of alternator horsepower. They utilize a
J-10 belt design with ten ribs yielding tremendous grip with minimal to no belt dust..
These kits are specifically designed to fit select Yanmar engine
models and Balmar is growing the list every day. If you don't see your
engine listed (click on the second product photo) please contact Balmar or myself at the email address
Marine alternator upgrades using a single 1/2" or 3/8"
drive belt are severely limited by the amount of power that can be
handled by the belt. When increasing alternator size, using a
serpentine belt considerably increases your total potential output and means
little to no belt dust. Another benefit is that less belt tension is
required to drive up to three times the HP. This means longer lasting
water-pump bearings as well.
The kit comes with a set of anodized 10 groove
pulleys which fit over the existing crankshaft pulley and a replacement
water pump pulley. An alternator pulley is also in the kit. Kits include
a J-10 serpentine belt, Loctite, Tef-Gel and a spare belt.
These kits are sold for specific Yanmar engine models only and this pricing does not include any of the Yanmar 6XX engines.
Alternators, regulators & temp sensors need to
be purchased separately. If you order a Yanmar fit alternator package
from me, it will come with the appropriate pulley pre-installed on the alternator.
Questions: compassmarineservices at gmail dot com