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Make
YAMAHA
Model
Big Bear 250 (YFM25BY) (ATVs / Quads)
Engine
4 str.
Year
2009-

Application
Recommendation
Capacity (gal)
Data Sheet
Sales Sheet
Engine (4 str.)
ATV Xtreme SAE 5W-40
(a, b, c)
0.423
PDS
Gearbox
From Engine
Final Drive
Ultra Premium
Maxtron Enviro-EDGE GL 75W-90
0.079
Premium
MP Gear Lube SAE 80W-90
PDS
Coolant
AIR
Brake Fluid
Refer to Technical
Grease
Refer to Technical
Engine (4 str.)
Recommendation:
Ultra Premium ATV Xtreme SAE 5W-40
(a, b, c)
Capacity 0.423(gal)
Gearbox
Recommendation:
From Engine
Final Drive
Recommendation:
Ultra Premium Maxtron Enviro-EDGE GL 75W-90
Premium MP Gear Lube SAE 80W-90
Capacity 0.079(gal)
Coolant
Recommendation:
AIR
Brake Fluid
Recommendation:
Ultra Premium Refer to Technical
Grease
Recommendation:
Ultra Premium Refer to Technical

General Notes

There are no notes to display for this model

Lubricant / Capacity Notes

a.
14°F to 104°F
b.
Alternative recommendations, <-4°F to 32°F: ATV Xtreme SAE 5W-40
c.
Alternative recommendations, 50°F to 113°F: Refer to Technical

Oil Change Intervals

Engine (4 str.)
Miles Max
1600
Months Max
6
Hours Max
160
Final Drive
Miles Max
3200
Months Max
12
Hours Max
320
Brake Fluid
Months Max
24