18hp B&S OHV Engine

P

Pete 1

Forum Newbie

Joined

Dec 21, 2012

Threads

2

Messages

2

• Dec 21, 2012 / 18hp B&S OHV Engine

• #1

This Troy Bilt 42" w/ B&S18hp OHV engine gets stuck (FLY Wheel) when trying to turn over. I have to turn the fly wheel by hand past the (Tough Spot) a few different to get lucky. When jump starting using my car helps but you still have to turn the fly wheel.

I did adjust the valves to 0002 and also 0004 to both the intake and exhaust a few different times what can I do different? when it runs it runs well! Just getting it started is frustrating.
Thanks ... Pete

 

C

craigo1208

Forum Newbie

Joined

Jan 2, 2013

Threads

0

Messages

7

• Jan 2, 2013 / 18hp B&S OHV Engine

• #2

Readjust valves. .002 is to tight. Minimum of .004. On both. Check for possible fuel in crankcase. To much fluid or oil will cause that. Possible starter

 

C

craigo1208

Forum Newbie

Joined

Jan 2, 2013

Threads

0

Messages

7

• Jan 2, 2013 / 18hp B&S OHV Engine

• #3

Dont use car to jump start. Burn out solnoid and starter and alternator

 

pugaltitude

Lawn Addict

Joined

Jan 11, 2012

Threads

7

Messages

1,142

• Jan 2, 2013 / 18hp B&S OHV Engine

• #4

Model, type & code would be handy but valve clearance could cause your problem.
Valve clearance should be .003-.005 inlet and .005-.007 exhaust.
Also your decompressor may be not working.
And you may have excess fuel or oil in cylinder.
All depends on numbers though.

 

B

Buckshot 1

Well-Known Member

Joined

Dec 30, 2012

Threads

1

Messages

234

• Jan 3, 2013 / 18hp B&S OHV Engine

• #5

:smile: You can jump start off a car/truck. Do it without the engine running in the car/truck. Otherwise what Craigo 1208 stated will happen. I will go with what Pug stated, valves to tight or its hydro locked. Pull the plug and ground the spark plug wire. Hang a rag in front of the spark plug hole in case of hydro lock and see if the engine spins. Also like stated, MN., spec and code numbers would b e nice. Don B.