Sucking cool air back up in the heads through a blown exhaust gasket can cause that.
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| Prodrive back fire https://www.mudmotortalk.com/mmt_v2/viewtopic.php?f=2&t=70397 |
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| Author: | mudder [ Wed May 10, 2017 9:51 am ] |
| Post subject: | Prodrive back fire |
What typically causes a backfire. Motor runs great, but backfires when I shut motor off and immediately turn it back on. If I were to wait a minute b4 starting it up, it typically does not. Was thinking of cleaning the carb, but I just did that 2 years ago and have really had no issues with the carb. Motor idles perfectly at around 1100 RPMs. I always use new gas, has new gas line, and after disconnecting the fuel lines for storage I throw the old gas in the truck in the spring. Motor has around 340 hrs. Just wondering. Thanks |
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| Author: | cb5331 [ Wed May 10, 2017 9:55 am ] |
| Post subject: | Re: Prodrive back fire |
Sucking cool air back up in the heads through a blown exhaust gasket can cause that.
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| Author: | Russ [ Wed May 10, 2017 9:58 am ] |
| Post subject: | Re: Prodrive back fire |
As can the engine just not quite getting enough fuel on that last (on shut off) or first (cranking it so quickly after shutting it off) burn cycle (effectively a lean condition, but nothing to worry about). Sent from my SAMSUNG-SM-G891A using Tapatalk |
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| Author: | mudder [ Wed May 10, 2017 10:06 am ] |
| Post subject: | Re: Prodrive back fire |
| Author: | mudder [ Wed May 10, 2017 10:08 am ] |
| Post subject: | Re: Prodrive back fire |
| Author: | cb5331 [ Wed May 10, 2017 10:09 am ] |
| Post subject: | Re: Prodrive back fire |
Cool. |
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