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Is it backfiring or spitting? Backfire in a carburetor occurs when the =
air-fuel mixture ignites at the wrong time, often causing flames to =
shoot out of the carburetor. This can happen due to issues like a rich =
fuel mixture, incorrect timing, or vacuum leaks. Spitting is ejecting =
oil thru the carb. At least that is true for my HS4 carbs.
=20
John
=20
From: Healeys <healeys-bounces@autox.team.net> On Behalf Of =
warthodson--- via Healeys
Sent: Thursday, September 25, 2025 2:14 PM
To: healeys@autox.team.net
Subject: [Healeys] Backfiring thru the carbs
=20
A club member's BJ8 is backfiring thru the carbs, HD8's. We have =
adjusted the timing & enrichened the carbs. I plan to revisit both of =
those settings. What else might be causing this?
Thanks,
Gary H.=20
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link=3D"#0563C1" vlink=3D"#954F72" style=3D'word-wrap:break-word'><div =
class=3DWordSection1><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif'>Is it =
backfiring or spitting? Backfire in a carburetor occurs when the =
air-fuel mixture ignites at the wrong time, often causing flames to =
shoot out of the carburetor. This can happen due to issues like a rich =
fuel mixture, incorrect timing, or vacuum leaks. Spitting is ejecting =
oil thru the carb. At least that is true for my HS4 =
carbs.<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif'><o:p> </=
o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif'>John<o:p></o:=
p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif'><o:p> </=
o:p></span></p><div><div style=3D'border:none;border-top:solid #E1E1E1 =
1.0pt;padding:3.0pt 0in 0in 0in'><p class=3DMsoNormal><b><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif'>From:</span><=
/b><span style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif'> =
Healeys <healeys-bounces@autox.team.net> <b>On Behalf Of =
</b>warthodson--- via Healeys<br><b>Sent:</b> Thursday, September 25, =
2025 2:14 PM<br><b>To:</b> healeys@autox.team.net<br><b>Subject:</b> =
[Healeys] Backfiring thru the carbs<o:p></o:p></span></p></div></div><p =
class=3DMsoNormal><o:p> </o:p></p><div><div><p =
class=3DMsoNormal><span style=3D'font-family:"Comic Sans MS"'>A club =
member's BJ8 is backfiring thru the carbs, HD8's. We have adjusted the =
timing & enrichened the carbs. I plan to revisit both of those =
settings. What else might be causing =
this?<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'font-family:"Comic Sans =
MS"'>Thanks,<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'font-family:"Comic Sans MS"'>Gary =
H. <o:p></o:p></span></p></div></div></div></body></html>
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