Briggs & Stratton RIDER 13 BIO, RIDER 11 BIO, RIDER 16 manual

Machine runs slowly, lacks power or no drive at all

No machine drive in either direction

Drive belt slips

Key/keys missing or damaged

Hydrostatic transmission

Hydrostatic transmission

Brakes applied

Drive belt worn or covered in oil and dirt

Drive belt’s adjuster pulley defective

Engine shaft’s pulley

Wheel hub, axle

Spline on input axle in the transverse axle damaged

Input shaft does not drive the hydraulic pump

Defective pump components or differential parts

Blocked oil filter

Low oil level in the hydrostatic transmission or tank

Lever for “bypass valve” partly extended

Defective accelerator

Key on transverse axle broken

Damage inside transverse axle

Brakes incorrectly adjusted or seized.

Clean or replace the drive belt

Broken spring. Replace

Lever jams. Lubricate

Replace the key. Inspect the axle and pulley for damage

Replace the key. Inspect the axle and pulley for damage

Repair or replace the transverse axle

Repair or replace the transverse axle

Repair or replace the transverse axle

Clean or replace the oil filter

Fill engine oil SAE 10W/30 to correct level

Move to lever to the drive position

Tubular pin in regulating axle sheared off. Replace

Control incorrectly adjusted or damaged. Replace and adjust

Replace the key

Repair or replace the transverse axle

Lubricate the brake links. Adjust

The hydrostatic transmission must not be opened during the warranty period.