[TusharK]

TVS has revealed its all-new 300cc engine called the RT-XD4 at MotoSoul 2024.



The RT-XD4 uses a 299cc block with a 78 mm bore and 62.6 mm stroke. The output is rated at 34.5 BHP @ 9,000 rpm and 28.5 Nm @ 7,000 rpm.

The new single-cylinder engine has a dual overhead camshaft and features a plasma-coated cylinder with dual cooling jackets. It uses liquid cooling for the head and has an air/oil-cooled crankcase.

The RT-XD4 single-cylinder engine is paired with a 6-speed gearbox via a slipper clutch. It has a ride-by-wire system and will also be offered with a quickshifter.

The first bike powered by the new RT-XD4 engine is likely to be an adventure motorcycle called the RTX.

Link to Team-BHP News

[CrAzY dRiVeR]

The engine TVS had - 312.2cc, single-cylinder, liquid-cooled, 37.5 BHP @ 9,800 rpm and 29 Nm @ 7,900 rpm.

The new engine TVS developed - 299cc, single-cylinder, liquid-cooled, 34.5 BHP @ 9,000 rpm and 28.5 Nm @ 7,000 rpm.

Only TVS can understand their logic!

That said, on a serious note - I suspect that the TVS-BMW agreement somehow does not allow TVS to compete against the 310GS with that engine. We know they recently trademarked the Apache RTX brand name for the adventure series and now seem to have announced the RTXD4 engine - which may finally help them launch an ADV on their own.

Autocar called these engines the 'no man's land' category and quite rightfully so - doesn't allow them to compete against the 250s in price, nor has the performance to compete with the modern crop of 400s.

[RD410]

Originally Posted by CrAzY dRiVeR

The engine TVS had - 312.2cc, single-cylinder, liquid-cooled, 37.5 BHP @ 9,800 rpm and 29 Nm @ 7,900 rpm.

The new engine TVS developed - 299cc, single-cylinder, liquid-cooled, 34.5 BHP @ 9,000 rpm and 28.5 Nm @ 7,000 rpm.

Only TVS can understand their logic!



Autocar called these engines the 'no man's land' category and quite rightfully so - doesn't allow them to compete against the 250s in price, nor has the performance to compete with the modern crop of 400s.

I guess even TVS is fed up with the unnecessarily complicated, BMW developed, reverse inclined 312cc engine with inlet at front, exhaust port at backside, which has unresolvable vibration issues and a bland exhaust note. For a brand like TVS, who are known for making simple, refined and great sounding engines, that particular BMW engine is so not in tune with their ethos. They've tried their best to improve it with RR & RTR, but the basic flaws still remain.

I agree that the new 300cc product will be neither here nor there. But if the end product is good (which it should be, considering their decades of rally and racing experince), then it may succeed. Who knows, they maybe planning to surprise us with the price tag too

[Motard_Blr]

This is a clever move by TVS since they will no longer be dependent on BMW for larger capacity engines.

Using the BMW engine in any form, whether it's called BMW or TVS will require them to pay royalties to BMW as a fixed amount per engine or bike. I assume that is s significant amount which will add to the cost of the bike.

[FlankerFury]

Originally Posted by CrAzY dRiVeR

The engine TVS had - 312.2cc, single-cylinder, liquid-cooled, 37.5 BHP @ 9,800 rpm and 29 Nm @ 7,900 rpm.

The new engine TVS developed - 299cc, single-cylinder, liquid-cooled, 34.5 BHP @ 9,000 rpm and 28.5 Nm @ 7,000 rpm.

Only TVS can understand their logic!

Peak power and torque do come in a bit earlier in the rev range.
Although it does look like too much effort for too little gains.

That said, on a serious note - I suspect that the TVS-BMW agreement somehow does not allow TVS to compete against the 310GS with that engine.

+1
The GS nameplate carries significant heritage in BMW's history, so it's understandable why they don't want TVS to create something that may outperform their own 310GS.

That being said, the 310 engine is nearly a decade old now, it may have trouble complying to future emission norms, probably the reason it has a slightly smaller bore.

[b16h22]

Originally Posted by CrAzY dRiVeR

Autocar called these engines the 'no man's land' category and quite rightfully so - doesn't allow them to compete against the 250s in price, nor has the performance to compete with the modern crop of 400s.

Was a bit surprised by the 300. TVS had all the right ingredients to cook up an Xpulse competitor and it seems like they are looking for that large vacant space between the Himmy and Xpulse. But they can't price it in the 2-2.3L price range being a 300 and liquid cooled. An Xpulse competitor with the Ronin/RTR200 motor would've brought them the volumes. And that's their bread & butter imo. They haven't been able to crack the premium segment so far.

[CrAzY dRiVeR]

Originally Posted by FlankerFury

Peak power and torque do come in a bit earlier in the rev range.
Although it does look like too much effort for too little gains.

True but the tune in the Apache RTR 310 produces 35.6 PS @ 9700 rpm and 28.7 Nm @ 6650 rpm. So that's torque even slightly lower down than this new motor.

So TVS went through a whole lot just just to produce an identical motor than has no connection to BMW. Hope these are not initial signs of a rift between BMW and TVS.

[RD150]

I have high hopes from TVS.
Just ride the RTR200 4v and RR 310 back to back, the RTR is literally Makhan in terms of refinement.
Looks like TVS themselves are ashamed of the crude, unrefined BMW's 310 engine.

[ToThePoint]

Originally Posted by CrAzY dRiVeR

So TVS went through a whole lot just just to produce an identical motor than has no connection to BMW. Hope these are not initial signs of a rift between BMW and TVS.

Either that or BMW has no plans to pursue the 310 platform while moving to 450 one.

TVS updated their 310 offerings with more power earlier this year. Has this revised tune found its way into BMW twins?

[pedrolourenco]

Originally Posted by b16h22

TVS had all the right ingredients to cook up an Xpulse competitor.

Exactly my thoughts too and I said it in the X-Pulse thread.

Originally Posted by ToThePoint

BMW has no plans to pursue the 310 platform while moving to 450 one.

Probably the plan.

[VIN No]

I was expecting to see a larger 400 coming in the future seeing how the competition has moved on, but no... hey I guess thats how it is
Seeing as it exists in almost no mans land it could be hit/miss for TVS based on their pricing

[PRATAYA]

34.5 bhp from a 300cc single is pretty decent. Curious to see what kind of fuel economy they get with that setup. And a quickshifter on an adventure bike? Nice touch.

[VijayAnand1]

TVS literally deciphered the 390 and the 310 engine to bring this 299 cc mill. In hindsight, they knew their 310 motor was something that was over-done and under-delivering, both cost wise and performance wise and reliability wise. The cost of ownership of BMW-derived mill just wouldn't cut it for the market they're aiming for.

This new single cylinder RTX/RDX engine should give TVS their much required wiggle-room when considering the pace at which 400-500 cc derivatives are garnering traction out in the field. I've never been a fan of the 310 engine, it's a strained, unreliable putter that didn't click here as well as elsewhere in the world.

It's extremely hightime, TVS faces up to the competition and launch exciting motorcycles with this engine platform. Rightly tuned for the right purpose this engine can sincerely deliver and keep the rider happy -- right from streetfighter, to sports to ADV, 34 bhp is right in the ballpark of the ADV 250 and upwards of the new Hero Moto Corp-derived 200 and their new overbored 250 cc mill and the elusive Hero 400 xPulse.

All, in exciting two years ahead for TVS, and wish nothing but the best for them, provided they simply don't over-design and make their bike over plasticized, gaudy and over-disproportionate like they did with the Apache RTR310.

Don't let us down TVS.

Cheers!
VJ

[amit_purohit20]

On a side note, TVS is extremely bad at churning different models using modular platforms, whereas Royal Enfield is extremely good at the same. eg. Using the same engine over various platforms, classic, thunderbird, meteor, then interceptor, shotgun, super meteor etc.

Yes, TVS understands the need for application specific requirements in gearbox and engine for eg. Ronin. So they develop an engine which is not even good as an Apache RTR 200 engine and the model flops. Why not just use Apache engine which is a good engine but give a bike which is more comfortable for long rides with good riding posture. There is a big customer segment who do not want racing bikes but good comfortable touring bikes for long distances and do not want to pay more than 2 lac rupees. Unfortunately, this segment has to use NS 200, Apache 200 and such bikes which are not exactly touring friendly.
Hence, I have resorted to buying an Apache 200 and modifying the handlebar position to make it touring friendly and add accessories which would increase its luggage carrying capacity and more touring friendly mods.

I hope this new engine really brings a model which caters to the masses and gives them good numbers.

[safari_lover]

I wish TVS would put this engine or a variant of it on the Ronin and it pit against Hunter on the lower end and Speed 400 on the Higher end. A 30BHP Ronin sounds nice.