Altus Launches Revolutionary "Touch-Free" 3-in-1 TPS Lineup for Scooters and Big Bikes

John Melendez
Nov 21
6 min read

A Game-Changer Is Coming to Your Ride's Power and Long-term Reliability

If you've ever dealt with a finicky throttle response, random check-engine lights, or that annoying hesitation when you crack the gas on your SYM, KYMCO, Vespa scooter or even a BMW, Honda or KTM motorcycle, then you already know how critical the throttle position sensor really is.

阿爾特斯汽機車配件™ (Altus Scooter & Motorcycle Parts™) is about to make those headaches a thing of the past with an all-new full line of Touch-Free (non-contact) TPS hardware designed specifically for the scooter and motorcycle you ride every day.

First, What Exactly Is a Throttle Position Sensor (TPS)?

In simple terms, the TPS is the little device that tells your bike's ECU exactly how far you've twisted the throttle. It measures the angle of the throttle butterfly valve and converts that into an electrical signal. The ECU then uses this information – along with data from other sensors – to decide how much fuel to inject, when to fire the spark plug, and even how to adjust traction control or quick-shifter timing on modern bikes.

On most fuel-injected scooters and motorcycles sold in the last 15–20 years, a bad TPS means a rough engine idle, poor fuel economy, hesitation under acceleration, or the dreaded fault code that lights up your dash console. Traditional TPS units rely on a physical wiper "brush" that slides across a resistive track – think of it like the volume knob on an old stereo. It works fine at first, but heat, vibration, dirt, and time eventually wear that track down.

What Does “3-in-1” Really Mean on a Modern TPS?

If you’ve been shopping for an upgraded throttle position sensor lately (whether it’s the popular aRacer iTPS or similar models), you’ve probably seen the term “3-in-1 TPS” thrown around. It sounds cool, but what does it actually mean under the hood? Let me break it down in plain language.

A 3-in-1 throttle position sensor is one single, compact unit that combines three separate sensors into a single plug-and-play module that bolts straight onto your throttle body and uses the factory wiring connector. No splicing, no extra brackets, no headache.

Here are the three functions it packs into that one little housing:

TPS – Throttle Position Sensor The main job: it tells the ECU exactly how far you’ve opened the throttle valve at any given moment. This is the critical signal for fuel delivery, ignition timing, and even traction control on newer bikes.
MAP – Manifold Absolute Pressure Sensor A tiny pressure sensor built right into the same body that measures the actual vacuum (or boost) inside the intake manifold. This gives the ECU real-time data about engine load – super important when you snap the throttle open, climb a mountain, or run an aftermarket exhaust and air filter.
IAT – Intake Air Temperature Sensor (included in most true 3-in-1 designs) Measures the temperature of the air entering the engine. Cold air is denser and needs more fuel; hot air needs less. Having the IAT right at the throttle body (instead of somewhere else in the airbox) gives faster, more accurate corrections.

Why Altus Touch-Free 3-in-1 Sensor Changes Everything

The new Altus Touch-Free lineup uses Hall-effect or magnetoresistive technology instead of the old contact-style wiper. No physical contact = no wear and tear. Many models in the range are true 3-in-1 sensors that combine TPS, intake air temperature (IAT), and manifold absolute pressure (MAP) into a single plug-and-play unit – exactly the kind of smart integration racers and tuners have been asking for.

This isn't just another cheap replacement part. It's a genuine upgrade that brings big-bike precision and longevity to everyday scooters and brings race-level durability to adventure and sport machines.

Why Packing All Three Together Is a Huge Win

Perfect data alignment – All three measurements happen at exactly the same spot and at exactly the same millisecond, so the ECU never gets conflicting info.
Cleaner, simpler installation – One connector, one set of screws. Especially handy on scooters where every cubic centimeter of space counts.
Better tuning results – Dyno operators and anyone using aRacer, Woolich, or PowerTRONIC love it because the MAP and TPS curves line up perfectly every single run.
Immediate real-world feel – Riders consistently report crisper initial pickup, smoother mid-range power, and a small bump in both throttle response and fuel efficiency.

In short, a true 3-in-1 TPS isn’t just a throttle sensor anymore; it’s a complete intake-monitoring package that replaces two or three factory sensors with one tougher, smarter, touch-free unit. That’s exactly what you get with the Altus Touch-Free lineup – race-level integration at everyday-scooter prices.

Five Clear Advantages of Touch-Free TPS Over Traditional Contact-Type Sensors

Virtually Unlimited Lifespan – No wiper, no carbon track, no wear. Traditional TPS units often fail between 30,000–80,000 km from simple mechanical abrasion. Touch-free versions routinely last the life of the bike.
Perfect Signal Accuracy Forever – The output voltage stays linear and repeatable because nothing physically degrades. You'll never have drifting voltage, intermittent signals, or the need to “re-learn” TPS values after a battery disconnect.
Total Immunity to Dirt, Water, and Vibration – Hall-effect sensors don't care about dust on a resistive track or moisture causing corrosion. That's huge for scooters that live outside or adventure bikes that ford rivers.
Faster, Crisper Throttle Response – Higher resolution and zero hysteresis mean the ECU gets an instantaneous, precise reading every single millisecond – exactly what you feel as sharper pickup and smoother power delivery.
Easier Tuning and Diagnostics – Built-in LED status lights on many Altus units, plus rock-stable MAP integration in the 3-in-1 versions, make dyno tuning and fault-finding dramatically easier for mechanics and home tuners alike.

Altus Builds it Tough: Materials That Actually Survive Real-World Riding

Every Altus Touch-Free TPS features a housing molded from glass-fiber-reinforced high-temperature engineering plastics – typically PBT-GF30 or PA66-GF30 (nylon 66 with 30% glass fill). These are the exact same automotive-grade materials used by Bosch, Keihin, and Delphi because they shrug off 150–200 °C heat, constant vibration, and exposure to fuel vapors without warping or cracking.

Sealing is handled by genuine Viton® (FKM/FPM) fluorocarbon rubber O-rings and shaft seals – the gold standard in fuel-system components. Viton laughs at gasoline, ethanol blends, oil, ozone, and heat cycling that would destroy ordinary nitrile or silicone seals in months. That's why you'll find Viton on factory Honda, KTM, and BMW sensors – and now on every Altus unit.

Huge Model Coverage Coming Right Now

Altus is rolling out Touch-Free TPS units for practically every major player:

Taiwanese scooters: Full SYM range (JET series, DRG, FNX, MMBCU), KYMCO (Racing, Downtown, Xciting, AK550), PGO, and Aeon
European classics: Vespa GTS, Primavera, Piaggio Liberty/Beverly/MP3
Japanese big bikes: Honda (Forza, X-ADV, CBR, Africa Twin), Yamaha, Suzuki, Kawasaki
European heavy hitters: KTM (all Adventure and Duke models), BMW (GS, R, S series), Ducati, Aprilia, and more

Plug-and-play installation, no adapters needed, and pricing that beats dealership parts by a wide margin.

The Bottom Line

If you're tired of replacing the same worn-out TPS every few years, or you simply want your scooter or motorcycle to feel factory-fresh (or better) for the next decade, the new Altus Touch-Free lineup is the upgrade you've been waiting for.

Next time your mechanic opens up the throttle body, make sure they reach for 阿爾特斯汽機車配件™ (Altus Scooter & Motorcycle Parts™) – whether it's one of these new Touch-Free TPS units, our proven fuel pump assemblies, ECUs, injectors, or filters. Affordable pricing, race-grade quality, and rock-solid reliability in every box. Your bike deserves nothing less.

Remember: Ride safe. Ride far. Be Considerate. And have Fun!

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Altus Scooter & Motorcycle Parts™

Since 1997, Taiwan-based Altus Scooter & Motorcycle Parts™ has been the most reliable long-term driving force and partner behind affordable leading-edge fuel delivery systems for scooters, motorcycles, jet skis, and small boat outboard engines. Our products include a full line of high-quality replacement fuel pump assemblies, plain fuel pumps, ECUs and fuel filters.

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About Altus:

Since 1997, Altus Scooter & Motorcycle Parts™ has been the driving force behind cutting-edge fuel delivery systems for scooters, motorcycles, jet skis, and small boat outboard engines.Our products include a full line of high-quality replacement fuel pump assemblies, plain fuel pumps, ECUS and fuel filters.