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Ask Donald Your Own Question
Donald
Donald, Small Engine Technician
Category: Small Engine
Satisfied Customers: 1800
Experience:  I have 25+ years of experience repairing 2 & 4 cycle engines
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Grasshopper Pro 25 ran fine for about an hour, the engine

Customer Question

Grasshopper Pro 25 ran fine for about an hour, the engine ran rough when engaging the power take off (mower). As soon as shut off, the engine runs smoothly
JA: What's the make and model of the mower? And can you guesstimate how old it is?
Customer: 8 or 9 years old, maintained by local dealer. I'll check
JA: Do you plan on doing the work yourself?
Customer: If it is simple
JA: Anything else we should know to help you best?
Customer: actually 14 years old. time flys sl98 mower deck model 9852 or 9861
Submitted: 3 months ago.
Category: Small Engine
Expert:  Donald replied 3 months ago.

Hello. Thank you for choosing Just Answer. My name is***** will be happy to assist you.

Expert:  Donald replied 3 months ago.

Your engine may be running on only one cylinder. This could account for the rough running, after you engage your pto.

Expert:  Donald replied 3 months ago.

You can do a cylinder balance test to help confirm if one of your cylinders are not up to par.

Expert:  Donald replied 3 months ago.

Are you familiar with doing a cylinder balance test?