My observations:

1. RE Himalayan 411 BS4 FI: cracked fuel pump case which resulted in fuel leakage. And recently I observed chocked fuel cap, Which can also be related with E20 since some fuel is boiled outside from fuel cap lock after full tank (411 owners can relate).
   

2. Bajaj Pulsar 180 DTSi 2006 : Issues in cold starts, since it has carburetor thus more prone to E20 witchcraft.

Brothers and sisters of the road — the fuel pump’s changing, and so is the brew we run our machines on. With E20 being already rolled out, the question is burning hotter than a flaming exhaust pipes:

Will this stuff hurt our old-school, non-compliant bikes?

I’ve dug through research papers, lab studies, and real-world reports to lay down the facts — so we don’t have to rely on hearsay at the tea stalls.

Quick Take (TL;DR for wrench-turners)

Modern, fuel-injected machines built for ethanol blends? They’re handling E20 without breaking a sweat.

Older, carburetted, two-stroke, and steel-tank rides? They’re staring down more risk — fuel lines swelling, carbs gumming up, tanks rusting, and mileage dropping.

Riders are already reporting reduced fuel economy and hiccups on classics, even while officials and OEMs insist it’s “all good.”

🧪 What the Studies Say

Modern Fuelies: Controlled evaluations show E20 keeps performance almost the same as petrol, as long as the bike’s built with ethanol-proof parts.

Small Engines & Oldies: Research flags leaner mixtures, corrosion, and lubrication issues in two-strokes and carb’d bikes. These motors don’t like their cocktail changed.

Material Trouble: Ethanol attracts water, rusts steel, and eats rubber that isn’t ethanol-rated. That means cracked hoses, leaky petcocks, and gummed carbs.

On the Streets: Reports from riders in E20 zones are already showing drop in mileage and old bikes choking after storage. Officials shrug it off — but the workshop bills tell another story.

️ Red Flags for Old Rides

Carburetors corroding, floats sticking, jets clogging.

Rubber hoses swelling and cracking.

Steel tanks picking up water → rust patches.

Two-strokes suffering from lubrication shifts.

Mileage drop and weaker pulls on throttle.

️ Garage Wisdom (Keep Your Machine Alive)

Swap old hoses and seals for ethanol-rated replacements.

Keep tanks full or bone-dry if storing — don’t leave half a tank to sweat. Add a stabilizer if parking the bike for months.

Drain carbs if you won’t ride for a while.

Watch for leaks, rough idle, fuel smell — catch issues early.

Get jets cleaned and mixtures checked; lean burn can cook your piston.

For two-strokes: double-check with mechanics before long runs on E20.

️ Why This Thread Matters

Most lab tests are on shiny new cars, not our battle-scarred Bullets, Yezdis, RD350s, or two-stroke scooters. We’re the test bench now.

Let’s use this thread as a logbook:

Drop your bike’s make/model/year.

Say if it’s carb or EFI, steel or plastic tank.

Share what you’ve seen with E20 — mileage drops, hose cracks, carb troubles, or no issues at all.

The more we pool, the stronger we ride.

Sources (for the nerds among us)

SAE / systematic evaluation of E20 in modern vehicles.

NREL global review on E20 drivability & compatibility.

Minnesota small engine study — risks for carb’d and 2-strokes.

Materials compatibility research — ethanol vs metals & rubbers.

News on India’s E20 rollout and OEM/rider reactions.

Bottom line: For the old warhorses in our garages, E20 isn’t just another pump number — it’s a ghost in the gas tank. Ride prepared, wrench smart, and let’s see how our machines fight back.

@baruah.charlie I agree with your point, at least they should set this threshold to 500CC or multiple cylinder. For now you may consider Triumph 400CC line up or KTM 390 Adv as they are not increasing prices. I guess Hero is also absorbing GST hike on HD X440. not sure about that. Support #TwoWheelsOneGST

Congratulations @amithaldhar . do post your ownership experience afterwards.

Indeed a very nice ride with a mix of all types of roads from Express ways, highways to country roads and off road patches. enjoyed a lot, jumping over those speed breakers specially. Location was fantastic. Thanks @Vijay-Dhirawat

Bajaj auto will not increase price of Triumph and KTM offerings post GST hike.
Found this article on Team-BHP :

https://www.team-bhp.com/news/bajaj-absorb-gst-hike-triumph-ktm-bikes-over-350cc

I don’t agree with the decision to raise GST to 40% on motorcycles above 350cc. The idea that such bikes are “luxury products” feels completely misplaced. Motorcycles, no matter the engine size, are still two-wheelers and a means of transport. Riding is not a luxury—it’s choosing thrill over convenience, mobility with hardwork not comfort and in many cases, even livelihood.

For adventure and touring riders, bigger capacity motorcycles aren’t about showing off but about safety, endurance, and practicality. Do anyone can think one can flaunt or show off Himalayan 411 or any purpose built motorcycle. A 500cc or 650cc machine gives the stability, braking, and comfort needed for long distances, especially on highways and hilly terrain. Calling that “luxury” is unfair.

This hike will also hurt our own domestic brands like Royal Enfield, Jawa, and Bajaj-Triumph, which have worked hard to build a market in this segment. Price of offerings from these makers such as Himi 450, Yezdi adv, scram 400X will increase wef 22nd September. Reducing affordability will directly impact manufacturing, dealerships, and jobs. And let’s not forget the ripple effect—motorcycle tourism boosts local economies everywhere riders travel, from dhabas to homestays.

Taxing these motorcycles like luxury cars or yachts doesn’t make sense. For many Indians, saving up for a mid-capacity bike is a passion and a dream, not some extravagance. Instead of discouraging it, the government should be encouraging safe and responsible riding, promoting adventure tourism, and supporting “Make in India.”

Got C30 recently.
Deciding factors:

1. Much common among other riders so can connect.
2. Good sound quality (as per most of the reviews)
3. Value for money.
4. Design.

Will update with my ownership review once I use them.

Best of luck to you guys. See you in Jaipur.

Here are some pics of the celebration..

Hi @sajeesh , My Joining date is 23rd June 2024. pls update.

A Very Happy 9th Anniversary to our IBRMC Jaipur Chapter. May we ride n shine forever. Hail IBR.

Hi mods, pls let me whether I need to fill registration form for my kid also. She is 3.5 yrs.

HI Mods, Pls elaborate about family accommodation. whether family will be sharing room with other family or a separate room will be provided to a family. I'm planning to attend with family (Wife and a Kid 4 yrs ).

Amazing spirit @sam Bro, Your chapter runs are Super inspiring. will Definitely attempt.

Planning to buy a intercom in this 10-15K budget. I think the best option is C30 as per the research I conducted till now. Any user of Sena B20 here who can post review or experience ?

Chapter mods please update rides and events. I see that we havn't uploaded here since long.