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I have a 18hp Briggs and Stratton opposed cylinder engine
I have a 18hp Briggs and Stratton opposed cylinder engine model#422707-1214-01. I can only start the engine by jumping from the spark plug wire with a screwdriver to the side of the intake manifold. I… read more
Curtis B.
Curtis B.
Technician
Associate Degree
15,342 satisfied customers
I have black smoke coming out of the exhaust of my
I have black smoke coming out of the exhaust of my Simplicity Conquest 18HP Hydro Tractor. Also, no power.… read more
Curtis B.
Curtis B.
Technician
Associate Degree
15,342 satisfied customers
I have an opposed twin 18hp briggs and stratton...i bought
i have an opposed twin 18hp briggs and stratton...i bought it recently and it it to be used on a lawn tractor for blowing snow in the winter...i heard these motors are gas hogs...about how fast can i … read more
Curtis B.
Curtis B.
Technician
Associate Degree
15,342 satisfied customers
My husqvarna YTH23V48 lawn tractor keeps stalling and won't
My husqvarna YTH23V48 lawn tractor keeps stalling and won't start again for hours. When I try to start it again it fires once but won't start. Why is it quiting all the time? Why won't it start again … read more
Curtis B.
Curtis B.
Technician
Associate Degree
15,342 satisfied customers
I have an old Ransomes Bobcat with a 18hp Briggs V-Twin(similiar
I have an old Ransomes Bobcat with a 18hp Briggs V-Twin(similiar to the Vanguard series today) Lately, I have lost power and it doesn't want to crank unless I use starting fluid. While mowing I have t… read more
Jon K.
Jon K.
Small Engine Diagnostic Expert
Some College, military training,
2,995 satisfied customers
i have a craftsman dyt 4000 with a briggs and stratton 18hp
i have a craftsman dyt 4000 with a briggs and stratton 18hp twin II the carb appears to be a #693480. engine cranks fine and pops when i spray starting fluid or add a few drops of gas, but wont stay r… read more
Robert P
Robert P
Mechanic/expert tech /owner
Vocational, Technical or Trade Scho
486 satisfied customers
I want to replace my 14hp koehler in my john deere 140 garden
I want to replace my 14hp koehler in my john deere 140 garden tractor, with an 18hp briggs & stratton V-twin, --- is this possible? Thanks Phil… read more
Vince O.
Vince O.
Small Engine Technician
High School or GED
2,943 satisfied customers
I have a Briggs and Stratton 422707 18hp twin engine on my
I have a Briggs and Stratton 422707 18hp twin engine on my mower and the rpm goes up and down. It goes from almost stalling to running at normal rpm then back to almost stalling, it does run smooth if… read more
RUSS
RUSS
SERVICE TECHNICIAN
Vocational, Technical or Trade Scho
1,723 satisfied customers
i have a 1986 GT /18 twin model #NNN-NN-NNNN the breathers
i have a 1986 GT /18 twin model #NNN-NN-NNNN the breathers are both shot. the fiber disk is gone and i am blowing oil into the air cleaner. the one (right side) breather is no longer available. what d… read more
Ranwell1
Ranwell1
CEO
High School or GED
4,712 satisfied customers
16 horse briggs &stratton engine on a dayton tractor we want
16 horse briggs &stratton engine on a dayton tractor we want to replace the motor with a twin motor what one will fit… read more
TaxTom
TaxTom
Accountant
Bachelor's Degree
1,466 satisfied customers
Have an 18hp B&S twin - Engine is hard to start. Charged Battery
Have an 18hp B&S twin - Engine is hard to start. Charged Battery - holds charge well. Replaced terminals and wiring to battery. Engine turns over fine. New plugs. Checked fuel pump - no tears, works w… read more
Jon K.
Jon K.
Small Engine Diagnostic Expert
Some College, military training,
2,995 satisfied customers
I have a Craftsman rider lawnmower and it bogs out and stalls
I have a Craftsman rider lawnmower and it bogs out and stalls after 30 Min running. Replaced the fuel filter, spark plug, air filter every thing. It feels like vapor lock. Could the electric fuel shut… read more
Jon K.
Jon K.
Small Engine Diagnostic Expert
Some College, military training,
2,995 satisfied customers
i have a jacobsen zfast cat es that came with a Briggs & stratton
i have a jacobsen zfast cat es that came with a Briggs & stratton 17.5 hp. The previous owner blew the connecting rod. I have a brigs 18 hp twin II that I put on the machine, but need to wire the moto… read more
J.R.
J.R.
Vocational, Technical or Trade Scho
209 satisfied customers
I have a riding lawnmower with a Briggs and Stratton twin cyl
I have a riding lawnmower with a Briggs and Stratton twin cyl 16 hp engine that will not start when it is hot. when it is cold it starts ok… read more
Curtis B.
Curtis B.
Technician
Associate Degree
15,342 satisfied customers
18HP OHV Sears Briggs and Stratton, 42 riding mower Starts
18HP OHV Sears Briggs and Stratton, 42" riding mower Starts easy when cold Won't start when hot… read more
Rick
Rick
Factory Authorized Trainer
Vocational, Technical or Trade Scho
4,218 satisfied customers
I have a MTD mower with a Briggs and Stratton #422707 18hp
I have a MTD mower with a Briggs and Stratton #422707 18hp engine. Recently it has had a rough time starting. It did not want to turn over. Once it did, it started fine. The battery is fine. Is this a… read more
Rick
Rick
Factory Authorized Trainer
Vocational, Technical or Trade Scho
4,218 satisfied customers
I have a sr 1642 snapper with a rear mounted 16hp twin briggs
I have a sr 1642 snapper with a rear mounted 16hp twin briggs and stratton vanguard engine. I can start and run the mower for about 30 minutes then it dies and won't start again until it cools down ma… read more
J.R.
J.R.
Vocational, Technical or Trade Scho
209 satisfied customers
I have a 18hp twin 11 Briggs and Stratton engine that all of
I have a 18hp twin 11 Briggs and Stratton engine that all of a sudden started to smoke real bad. When I remove the dipstick cover it is sprewing oil out of it really bad. I assume that something inter… read more
Jay
Jay
Owner
Vocational, Technical or Trade Show
34 satisfied customers
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Meet the Experts:

Curtis B.

Curtis B.

Technician

15,342 satisfied customers

have worked on and around most engine models for 35 yrs./Polaris ATV expert

Rick

Rick

Factory Authorized Trainer

4,218 satisfied customers

Outdoor Power Equipment technical trainer since 1990, covering eight states.

Jon K.

Jon K.

Small Engine Diagnostic Expert

2,995 satisfied customers

Gold certified Stihl tech, Service Manager for a rental/repair shop.Certified in most small engines

James W

James W

Small Engine Troubleshooting Expert

2,986 satisfied customers

7 years as Mechanic & Parts Manager for Brother who has Owned Lawn & Garden Repair shop for 35 years

Vince O.

Vince O.

Small Engine Technician

2,943 satisfied customers

Over 30 years experience repairing lawn and garden equipment. Chainsaws, mowers,blowers and trimmers

Wayne

Wayne

Engine Rebuilder

2,108 satisfied customers

many years on egine rebuilding, lawn mower,roto tiller,Truck,and small engines

RUSS

RUSS

SERVICE TECHNICIAN

1,723 satisfied customers

28 YEAR SERVICE TECHNICIAN

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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