Q: Regarding varying performance of my royal Enfield classic 500 efi .

asked by on November 20, 2016

Following issues are found Hesitation while accelerating Rough idle Misfiring during idling Reduced power Bike performs good during night or cool atmosphere. Since its Indian model oxygen sensor not included in the exhaust. Also I've made it a free flow exhaust.

The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing


Experienced Mechanic?

Earn up to $70/hr

What others are asking

A lot of paint is chipping off my car
There are many reported problems with the paint on certain Toyota models. Most of the time the dealership will claim it is due to environmental issues, and Toyota not issued any recalls or Technical Service Bulletins (TSB) to address this....
Blown cigarette lighter fuse
Hello, I'll be happy to help you find the fuse that's diffused. The one you're looking for is located under the hood in the fuse box. It is labeled "LTR" which stands for lighter. Good luck! If you feel like...
engine noise after starting
This may be an indication that the starter drive is not disengaging from the flywheel after the engine starts. The danger in this is that the starter drive may fly apart and damage the flywheel or engine aside from destroying...
Door lock & unlock on their own
I would recommend taking the battery out of your key fob to see if that makes a difference. It is possible that there could be a short within your key fob that is causing the locks to jump. This is...
Serpentine belt broke. Dealer is telling me it can wrap around crank and get into engine.What are the odds of that happening?
There is a possibility the belt can wrap around pulleys and the crank. I have seen pieces of belt get behind pulleys and a/c compressor clutches or crankshaft pulleys. If the mechanic inspects the old broken belt they can see...
Turbo blow off valve
Hello. The "blow-off-valve" or BOV, is a pressure-release valve designed to prevent over-pressurization of the engine, not the turbocharger itself. While hearing some of the sounds a turbo-charged engine (https://www.yourmechanic.com/article/how-a-modern-engine-works) makes while running through the gears is a most pleasant...
What causes code Code 00543 and how to fix?
Hello. The code 00543 (https://www.yourmechanic.com/services/check-engine-light-is-on-inspection) stands for "Engine speed to max exceeded". Meaning the computer has detected the engine has crossed over 7200RPMs due to an operating fault. Since you were simply starting the vehicle and backing it up, it...
Engine code P0430 and losing oil
Diagnostic Trouble Code P0430 (https://www.yourmechanic.com/article/p0430-obd-ii-trouble-code-catalyst-system-efficiency-below-threshold-bank-2-by-spencer-clayton) means that the ECU is detecting below threshold performance from the catalytic converter. The ECU monitors the catalytic converter closely and when a low performance threshold is detected the Check Engine Light will be displayed...
Is the cam sensor replacement the camshaft sensor?
It may be due to the camshaft sensor but would not know unless another test is done to get the failure codes like a P0340 or P0344. The light can come on for over 100 different codes and is only...

Related articles

How Does a Radiator Keep an Engine Cool?
Car radiators cool off your engine and prevent your engine from overheating. Coolant absorbs engine heat and dissipates it through the radiator.
Rules of the Road For South Carolina Drivers
How How much do you know about traffic laws in South Carolina? If you’re not familiar with the specific rules of the road and you plan on driving in South Carolina, you’ll want to read these rules and regulations to...
What Does it Mean for a Car to be Reliable?
We We live in really stressful times. Domestically, there is uncertainty about our political future, and overseas can be a dangerous place to travel. In times like these, it’s natural for people to gravitate toward things that are reliable and...