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You might want to have your motorcycle valve clearance done sooner rather than later, like I did, at 12000 kilometers:

Kartikeya

Total noob
Location
India
After a year of owning the RE Classic 350/2022 model and 12000km (7500 miles) of riding, I made the decision to perform the first valve clearance adjustment on my motorcycle as a DIY project.

The motorcycle had gone through its scheduled services at the right intervals, including the usual oil and filter changes; however, the valve clearance adjustments had never been done.

The vehicle was functioning well and giving me a mileage of 40km per liter (25 miles per liter of petrol), so I didn't want to alter anything or want the mechanics to open up something that was outputting more kilometers per liter than what the company had advertised.

So, after completing one year of ownership and covering 12000km, on opening up the cam cover, I noticed that both valves were too tight. So, loosened the valves to spec, and the following improvements were noticed:

1) One of the unexpected changes was the expulsion of droplets of water that had accumulated inside the silencer. These were remnants of my frequent motorcycle washes, which the previous exhaust pressure had been unable to flush out. It was a simple yet gratifying result of the valve adjustment.

2) Before the valve adjustment, my motorcycle's gears seemed to max out too quickly. I found myself constantly shifting up, seeking more power. However, post-adjustment, I experienced a substantial increase in torque that changed the dynamics of my rides. Suddenly, each gear had more to offer, and I couldn't help but revel in the newfound power. I found myself staying in each gear longer, enjoying the thrill of the ride like never before. I was now effortlessly cruising in 4th gear, a noticeable improvement from my previous habit of reaching 5th gear after just 500 meters into a ride.

3) Despite the remarkable increase in performance, one thing remained constant—the impressive mileage of 40 kilometers per liter. 1000km more completed after the adjustment. Contrary to my initial concerns, the valve adjustment had not compromised my motorcycle's fuel efficiency. It seemed that my motorcycle was now delivering both power and economy, a combination that left me pleasantly surprised.

In my experience, I discovered that an often-neglected aspect of motorcycle maintenance, the valve clearance adjustment, can have a profound impact on your riding experience. Tight valves can hold back the true potential of your machine, and a well-executed adjustment can unleash a beast within your 350-cc vehicle.

So, if you're a Royal Enfield Motorcycle enthusiast seeking to optimize your ride, don't underestimate the significance of valve clearance adjustments. It's a small step that can lead to significant gains in power and performance that might surprise you.
 

Roy Gavin

Well travelled
You just divide 282 by 2.4, so you are claiming 117.5 MPG. Imperial gallons of course
Or about 30 MPG better than most!
Valves will tighten up , the clearance is a wear allowance as much as heat so that is quite normal, but never found any noticeable power difference until the clearance is zero and the valve does not seal.
And you can usually hear that!
 
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QIbHom

Well travelled
Location
Dulles, VA, USA
My Flea was fine at the 300 mile service, valves didn't need to be adjusted.

I find I get around 85 miles per US gallon around town and light highway riding. When I'm doing miles on the expressway at full throttle, it drops to around 50.

I enjoy telling those who ride big, heavy bikes what my mileage is.
 

Laserman

Well travelled
Staff member
Location
Yuba City, CA
Valve clearances on any non-German air-cooled engine with solid tappets are going to vary all over the place over time. Even the old Volkswagens - which also specified valve adjustments every 3000 miles (that dang #3 cylinder).

Engine duty, ambient temperature, who's doing the adjusting - all play a part in where the valves end up over time.

Or let Google do the math. This is US gallon calculations. That is some impressive MPG!
Sometimes we Americans have to be aware they are using imperial gallons which are 20% larger than our US gallons. This gets me sometimes lol

Yes yes, but I know they are US gallons and Imperials, and miles on the road and nautics, right?
So it all depend at whom you’re talking. Forum is international. Kilometers and liters are everywhere the same, it’s easier.
Yes yes, we Americans often make this error. Someday we will adopt Metric, but until then this divide will exist. I wouldn't get too snooty about it:

LOL-cantons-r-tiny.jpg

Our least populated state is 6x bigger than you. Go ahead and claim anyone else who uses Metric, we're just not listening, evidently. :unsure:

So what yall are polyglots and have awesome automatic weapons at home! We're not the ones making cuckoo cocks :p
 

Roy Gavin

Well travelled
It is SI or Standard International in some/most places.
Been using it at work since 1963, but at home still imperial, probably because my/pops old tools are imperial..
SI seemed to come in for me at the same time as electronic calculators, hard to find calculators for yards, feet and inches , tons,hundredweights , and pounds and pounds, shillings and pence, so it made things a little easier.
Some things made the change OK , others like the quantity of reinforcing in concrete seemed to double.
But with computerization things are getting crazy now, back then we built houses to the State Bank Stantards, which was a 16 page leaflet.
Just read the standards are now National and are 5673 pages long/ two CDs, if they had to print them they would be less than 5% of that.
Don't think the houses are any better---!
 

Andy131

Well travelled
Location
Manchester UK
At least the Americans and the Europeans are consistent. - both wrong obviously :ROFLMAO:
In the UK we are "metric" most of the time, petrol is sold in litres, but fuel economy is in miles per gallon - fairly sure that my kids (41 & 38) have no idea what a gallon is , but they do know that 34mpg is worse than 50mpg. Also sure that none of us know what a kilometer actually is, but a mile :)
 

Stig57

Well travelled
Location
Wigan
Whilst I was at college in the mid 70's the UK engineering industry went from imperial to metric. Just to show us how consistently easy the new units and methods were we were tasked with doing some aerodynamics calculations using SI units and then imperial - chains, poundals and slugs being the most memorable. After that we stopped moaning about new fangled French crap. The SI system is just so much easier to deal with even though, as Andy131 pointed out, we only use it when it suits us in the UK :)
 

Bluestrom13

Well travelled
Location
- - 'Coventry'
" Whilst I was at college in the mid 70's the UK engineering industry went from imperial to metric." - Mostly!

I was taught engineering in imperial 1968-71, but took exams set in metric units, in 1972.
The UK based, American owned company that I was with at the time insisted on carrying on with Imperial units.
Later, the National Coal Board went metric for above ground works, but mineshaft and underground remained imperial.

And ask ANY Englishman how tall he is....

Apparently, "they've" been trying to metricate us, on and off, since Magna Carta...

(with apologies for OT content).
 

Laserman

Well travelled
Staff member
Location
Yuba City, CA
My ex-father in-law is a proper Canadian hardass of Manitoba, and like @Stig57 and @Bluestrom13 and some others here, had to firsthand experienced the imperial-to-Metric changeover. I was a 26 y/o American in Canada in 2002 and my F-I-L and I enjoyed many smokes as we told a lot of mix-and-matching stories about folks stomping floorboards. Whatever the case, it's definitely handy to know how to convert F to C and Km to miles and the obverse of each. Ecksdee XD
 

Roy Gavin

Well travelled
A mile has always been decimal , it is 1000 paces , for the average person, if you count a pace as two steps. Or only count wheh one foot touches.
Discovered that dragging a 22 yard chain around when land surveying and the flags came up at 25 steps.
Well, they should have, if the guy on the other end of the chain was behaving himself!
 

QIbHom

Well travelled
Location
Dulles, VA, USA
I grew up on the US/Canadian border. So, I learned maths by converting currencies and converting Imperial gallons to US gallons, to figure out which side of the border gas was cheaper on. I remember my relief when Canada went metric, as metric always made more sense to me, except for temps. I'm still trying to grok Celcius. You tell me it is 28C, and I still have to convert it to know if I need a jacket. You tell me something is 129 km away, and I know how far that is without converting.

My parents were teachers, and we had a brief moment in the 70s where the US started to go metric, then gave up after soda bottles were converted from quarts to liters. I still regret that the US stopped there.
 
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