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| 18 horse briggs v-twin full throttle surge | |
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crafsmankiller Member
Age : 27 Join date : 2012-10-18 Points : 4895 Posts : 412 Location : livingston texas
| Subject: 18 horse briggs v-twin full throttle surge January 14th 2013, 9:00 am | |
| its my friends mower, but when im drivin it around it has a small surge, its not enough to drtasticly cut speed but its noticeable, and the muffler box broke off of it so it pops when it re-accelerates, could the broken exaust cause this? im not sure what to do | |
| | | Stretch44875 Administrator
Age : 49 Join date : 2012-04-05 Points : 5703 Posts : 959 Location : Mansfield, Ohio
| Subject: Re: 18 horse briggs v-twin full throttle surge January 14th 2013, 10:34 am | |
| Exhaust may be part of the problem, not enough back pressure. Can burn a valve also. Usually a surge means it is running lean, not getting enough gas. | |
| | | crafsmankiller Member
Age : 27 Join date : 2012-10-18 Points : 4895 Posts : 412 Location : livingston texas
| | | | Chopperhed Moderator
Age : 58 Join date : 2012-10-14 Points : 5256 Posts : 801 Location : Edmonton, Alberta, Canada Eh!
| Subject: Re: 18 horse briggs v-twin full throttle surge January 14th 2013, 4:29 pm | |
| Replacing the muffler may help the lean condition.
Removing/changing a muffler increases airflow which affects mixture, as do modifications to the intake and carb. | |
| | | crafsmankiller Member
Age : 27 Join date : 2012-10-18 Points : 4895 Posts : 412 Location : livingston texas
| | | | Chopperhed Moderator
Age : 58 Join date : 2012-10-14 Points : 5256 Posts : 801 Location : Edmonton, Alberta, Canada Eh!
| Subject: Re: 18 horse briggs v-twin full throttle surge January 15th 2013, 9:30 am | |
| - crafsmankiller wrote:
- ill do anything to get it to run right exept replacing the muffler, it just sounds so cool like it is
Be prepared to do the exhaust valve fairly soon. | |
| | | crafsmankiller Member
Age : 27 Join date : 2012-10-18 Points : 4895 Posts : 412 Location : livingston texas
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