Why is my xr650l backfiring?
If the diaphragm has torn, or the drilling for the fuel passage has gotten clogged or varnished, you’re going to get backfiring.
What to do with a backfiring XR650L engine?
You need to rejet per “Dave’s mods” and chunk that smog pump (octopus looking thing on the left side of engine). There are great instructions with photos on 4strokes.com and Thumpertalk.
What kind of starter does Honda XR650L have?
The XR650L’s electric starter takes all the drama out of restarting off-road, or getting underway on a cold morning or after the bike’s been sitting all week. Fully equipped for the street—including turn signals, license-plate light, mirrors, speedometer and more.
What kind of suspension does a Honda XR650L have?
Long-travel suspension and a rugged steel frame perfected in Baja smooth out dirt roads and in-town commutes, no matter how lousy the pavement. Other bikes come and go, but Honda’s XR650L is in it for the long run.
What causes a backfire on a mountain bike?
There is going to be a fair amount of half-burned or unburned fuel in the exhaust system, especially when the bike is engine braking. That was the most memorable backfire. I was riding in traffic and let off the throttle while in gear. The bike started to slow, then I heard a terrific backfire. Sounded like a tire had blown out.
Why does my XR650L still have backfiring?
If you rejet your carb and still have backfiring, you’ll know you have another problem. Chopping the thottle closes of air flow. This makes the float in the carb go down but it still dumps some extra gas an hence the pop. Multi-cylinder engines smooth this out a bit.
Is it normal for a big single engine to backfire?
I consider it normal for a big single with standard jetting to backfire once in a while when you roll off the throttle and engine compression is slowing the bike down. But frequent or constant backfiring is usually a sign of an excessively lean condition, and your friend was correct to point to the exhaust as a possible culprit.
Can a XR650L pull at 75 mph?
The XR pulls great in the lower rev range. You don’t have to wring it out before you shift. Just be sure you aren’t “lugging” it around or anything and ride. With stock gearing it should cruise along at 75 MPH all day with no problems but it will use a little oil while doing this even if it is new, so keep a check on it.
There is going to be a fair amount of half-burned or unburned fuel in the exhaust system, especially when the bike is engine braking. That was the most memorable backfire. I was riding in traffic and let off the throttle while in gear. The bike started to slow, then I heard a terrific backfire. Sounded like a tire had blown out.