01
Scheduled service (5k / 10k / 25k)
Harley interval service by platform — engine, primary and transmission oils, with every check the official schedule calls for.
Harley-Davidson · Cascais / Greater Lisbon
Harley-Davidson service
in Cascais.
Independent Harley specialist for Sportster, Softail, Touring and Pan America. Diagnostics, service, parts and custom work from a workshop with multiple international championship trophies built on Harley-Davidson platforms.
Why Harleys come to us
Harley is our deepest specialization.
Iron Custom Motors has worked Harley-Davidson platforms for over a decade. Several of our internationally award-winning builds — including projects that placed at the AMD World Championship of Custom Bike Building — were Harley-based. That history isn't decoration. It's why we know these motorcycles inside out. You can see that Harley / American custom experience in Joker, True Religion and Sturmvogel.
We're an independent Harley-Davidson workshop, and Harley is the brand we work on most. Service, repair, modifications, performance upgrades, full custom — none of it is a side gig. It's the core of what we do, week in, week out.
We service every modern platform: Sportster (XL, RH Sportster S, Nightster), the Softail family, Dyna (legacy), Touring (Road King, Street Glide, Road Glide, Electra Glide, Tri Glide), V-Rod (legacy) and Pan America. Whether it's a stock daily commuter or a 2003 Twin Cam with 80,000 miles, we know what your bike needs.
Specialist tooling
Harley-specific diagnostic and tools.
Harley-Davidson-specific diagnostic gear, performance tuners and service tooling, built up over a decade of Harley work. This is what separates a Harley specialist from a general workshop.
Digital Technician II / equivalent diagnostic
Dealer-grade Harley diagnostics for ECM read/write, live data, adaptive resets and module programming.
In-house dyno cell
Dyno-tuned ECU maps for Stage I/II/IV setups, exhaust upgrades and individual customer tunes.
Compensator / primary tooling
Specialist pullers and torque procedures for the compensator and primary sprocket — critical on Twin Cam and Milwaukee-Eight.
Race Tuner / Power Vision / SE Pro Street
Support for the major Harley aftermarket tuners — install, map, dyno-verify.
What we do on Harley
Service. Performance. Custom.
Across modern and legacy Harley platforms — from routine service intervals to full Stage IV builds.
02
Proper Harley fluids
We use the correct fluid spec for each platform. Twin Cam, Milwaukee-Eight and Revolution Max each have their own requirements.
03
Drive belt inspection, tension, replacement
Belt tension matters, and most non-specialist shops get it wrong. We set it with the proper measurement procedure.
04
Compensator & primary chain service
Inspection, torque verification, replacement where worn. Critical for Twin Cam vibration issues.
05
Stage I / Stage II / Stage IV upgrades
Dyno-tuned packages — intake, exhaust, cams, heads, bigger displacement. Estimated power gain is documented before any work starts.
06
Dyno-tuned exhaust + ECU mapping
Vance & Hines, Screamin' Eagle Pro, S&S, Rinehart, Bassani — installed and dyno-mapped to your bike's specifics.
07
Suspension upgrades
Öhlins, Progressive, Legend Air, Race Tech — height changes, ride-quality fixes, full rebuilds.
08
Full custom — frame, paint, hand-built parts
Our championship work. Frame mods, paint, leather, hand-machined components — proven on Harley-based builds like Joker, True Religion and Sturmvogel. Bring the brief. For wide Harley tyres, spoked wheels and custom wheel setups, see our motorcycle tyre service.
Typical Harley issues we know
We've seen these a thousand times.
When you specialize, the same problems turn up every week. We know what to check first and what just needs adjusting.
Drive belt tension misadjusted
The most common issue on bikes arriving from non-specialist shops. We reset it with the proper procedure and gauge.
Compensator bearing chatter
The signature Twin Cam / Milwaukee-Eight noise. We diagnose it and fix it with the right tooling and torque sequence.
Stator and voltage regulator failures
Common on Touring models. We read the symptoms on the diagnostic before replacing anything — no parts cannon.
Primary chain stretch and adjuster wear
The adjustment interval gets missed more often than not. We check it and reset to factory spec.
Stock exhaust map vs. aftermarket pipes
Fit aftermarket pipes without remapping and your fuel mix is off. We dyno and remap it properly.
Models we service
Across the Harley family tree.
Current production, classic Twin Cam and earlier, custom builds — bring it in.
Sportster
XL 883 / 1200, XL Forty-Eight, XL 1200 Roadster, XL Iron, RH 1250 Sportster S, RH 975 Nightster.
Softail
Heritage Classic, Fat Boy, Breakout, Fat Bob, Street Bob, Sport Glide, Low Rider, Low Rider S, Slim, Standard.
Dyna (legacy)
Fat Bob, Wide Glide, Super Glide, Low Rider, Street Bob — the pre-2018 platform.
Touring (CVO and standard)
Road King, Street Glide, Road Glide, Electra Glide, Tri Glide Ultra, CVO Limited, CVO Street Glide.
Pan America
Pan America 1250 Standard and Special — the Adventure platform with the Revolution Max engine.
V-Rod (legacy) & classic / custom
Night Rod, V-Rod Muscle, plus vintage Shovelhead, Knucklehead and Panhead projects.
Parts and aftermarket
Catalog access for major Harley parts.
We source through the large Harley OEM and aftermarket catalog networks — direct access to thousands of SKUs across parts, performance, custom hardware and exhausts.
Catalogs we work with: Drag Specialties · Custom Chrome · Biltwell · V-Twin · J&P Cycles · Performance Machine · S&S Cycle · Vance & Hines · Screamin' Eagle Performance · Roland Sands Design · Klock Werks · Rinehart · Bassani · Burly Brand · OEM Harley-Davidson parts via distributor network.
FAQ
Common questions.
Are you an authorized Harley-Davidson dealer?
No — we're an independent Harley specialist, and that works in your favour: no dealer mark-up, the freedom to fit OEM or aftermarket performance parts, and deep platform-specific know-how rather than just a brand badge. We've worked Harley for over a decade, with multiple internationally awarded Harley-based custom builds behind us.
Can you do Stage I / II / IV upgrades?
Yes — this is core work for us. We build dyno-tuned packages with documented power gains. Stage I is intake, exhaust and a map. Stage II adds cams and head work. Stage IV is a full performance build with bigger displacement. Every Stage comes as a written quote with a parts list and expected results before work starts.
Do you do custom and vintage Harleys?
Yes — it's what we built our reputation on. Several of our custom Harley projects placed at the AMD World Championship of Custom Bike Building. Bring the bike or bring the dream — frame work, hand-built parts, paint, leather, ECU work, the lot.
How much for a Harley 25,000-km major service?
From €400, depending on the platform and what it needs. That covers engine, primary and transmission oils, drive belt inspection, brake fluid, plus the platform-specific items. You get a written estimate before any work starts.
Can you import OEM Harley parts into Portugal?
Yes — we have catalog access to OEM and Genuine Harley parts. We source whatever your bike needs, including hard-to-find items that EU stores don't stock.
Related workshop paths
Continue through the same service system.
Six common next steps from every brand page: service, upgrades, parts, custom work, tyre service and pricing.
Local service area
Serving Cascais, Lisbon and Greater Lisbon.
Iron Custom Motors is based in São Domingos de Rana, Cascais. We work with riders from Cascais, Estoril, Oeiras, Sintra, Lisbon and the wider Greater Lisbon area.
Cascais workshop
A real workshop and client lounge, not a remote parts counter. Book service, drop off the bike, or visit to discuss a project.
Multilingual process
English, Russian, Ukrainian and Portuguese communication with written estimates and clear next steps.
One accountable path
Diagnostics, parts sourcing, installation, upgrades and follow-up happen under one workshop standard.
Ready when you are
Book your Harley in.
Send the model, year and what's needed over WhatsApp. We'll come back with the next available slot and a written estimate before any work starts.