Aprilia Tuono 660 mods & upgrades
The Tuono 660 is the cheapest ticket into Aprilia's top-shelf electronics, wrapped in a naked that commutes Monday and does track Fridays.
- Engine659 cc 270° parallel twin
- Power~95 hp claimed (base); 100–105 hp Factory
- Wet weight~403 lb claimed (base); Factory ~4 lb lighter
- Seat height32.3 in
- ElectronicsAPRC suite with cornering ABS; quickshifter optional on 2021–24 base, standard on Factory
Parts that fit the Tuono 660
68 parts in 13 categories, with typical prices — verify fitment for your exact year and market.
| Part | Tier | Typical price | Fitment | Add to sheet |
|---|---|---|---|---|
| Exhaust2 fitSC-Project, Akrapovič, Arrow and LeoVince cover the 660 platform; many systems carry joint RS 660/Tuono 660 fitment but not all — the underbelly routing is shared, the tail is not. Full decat wants a tune to avoid the CEL. | ||||
| Graves WORKS full titanium system | premium | $2,470 | fits: verified · 2021+ | Add to sheet |
| Akrapovič Racing Line full system | premium | $1,560 | fits: verified · 2021+Carbon only | Add to sheet |
| Tune4 fitThin mail-in culture for Aprilia — a 660-experienced tuner or the accessory race ECU path for dedicated track builds. Most street owners stop at slip-on + stock map and lose little. | ||||
| Sprint Filter P08 air filter | premium | $120 | fits: verified · 2021+PM176S, same as RS 660 | Add to sheet |
| Dynojet Power Commander 6 | mid | $480 | fits: verifiedTuono 660 2021–22; Tuono 660 Factory 2025 (not 2023–24) | Add to sheet |
| DNA performance air filter | mid | $110 | fits: verified · 2021–24P-AP6S21-01 | Add to sheet |
| BMC race air filter | mid | $95 | fits: verified · 2021+FM01117RACE, same part as RS 660 | Add to sheet |
| Suspension5 fitTrim decides everything: 2021–24 base = preload-only shock (upgrade it), 2022–24 Factory = fully adjustable KYB/Sachs (spring it for your weight), 2025+ = Öhlins from the crate. Suspension listings are trim- and year-specific. | ||||
| Penske 8983 double-adjustable shock | premium | $1,300 | fits: reported · 2021–23 | Add to sheet |
| Nitron R1 rear shock | mid | $810 | fits: verified · 2021–24Not the 2025+ refresh | Add to sheet |
| Andreani Misano fork cartridge kit | mid | $770 | fits: verified · 2021+KYB 41 fork only | Add to sheet |
| K-Tech Razor-R Lite rear shock | mid | $600 | fits: verifiedTuono 660 Factory only (2021+) | Add to sheet |
| YSS rear shock | budget | $500 | fits: verified · 2021Later years not listed | Add to sheet |
| Brakes7 fit | ||||
| Brembo GP4-RX caliper pair | premium | $3,170 | fits: reported · 2021–24100 mm kit | Add to sheet |
| Brembo T-Drive front rotor pair | premium | $1,480 | fits: reported · 2021–24 | Add to sheet |
| Brembo 19 RCS Corsa Corta master cylinder | premium | $690 | fits: reported · 2021+Twin discs, four-piston calipers | Add to sheet |
| Galfer Wave front rotor pair | premium | $620 | fits: verified · 2021–23Grooved floating type | Add to sheet |
| Brembo 19 RCS radial master cylinder | premium | $600 | fits: reported · 2021+Twin discs, four-piston calipers | Add to sheet |
| EBC Double-H sintered pads (per caliper) | budget | $50 | fits: verified · 2021+FA630HH | Add to sheet |
| Motul RBF 600 racing brake fluid | budget | $25 eBay — $24.99 checked Oct 14 (opens in new tab) | fits: verifiedNon-silicone synthetic racing brake fluid for hydraulic brake and clutch systems; exceeds DOT 3 and 5.1. | Add to sheet |
| Tires & Wheels13 fit | ||||
| Pirelli Diablo Supercorsa SP V4 set | premium | $560 | fits: verified · 2021+120/70 front, 180/55 or 180/60 rear | Add to sheet |
| Michelin Power Cup 2 set | premium | $520 | fits: verified · 2021+120/70 front, 180/55 rear | Add to sheet |
| Pirelli Diablo Superbike slick set | premium | $500 | fits: reported · 2021+120/70 front; 180/60 rear, the alternative to the stock 180/55 | Add to sheet |
| Bridgestone Battlax RS12 set | mid | $510 | fits: verified · 2021+120/70 front, 180/55 rear | Add to sheet |
| Michelin Power GP2 set | mid | $500 | fits: verified · 2021+120/70 front, 180/55 rear | Add to sheet |
| Bridgestone Battlax S23 set | mid | $460 | fits: reported · 2021+120/70 front, 180/55 rear | Add to sheet |
| Michelin Power 6 set | mid | $460 | fits: verified · 2021+120/70 front, 180/55 rear | Add to sheet |
| Pirelli Diablo Rosso IV set | mid | $440 | fits: verified · 2021+120/70 front, 180/55 or 180/60 rear | Add to sheet |
| Continental ContiSportAttack 5 set | mid | $420 | fits: verified · 2021+120/70 front, 180/55 rear | Add to sheet |
| Metzeler Sportec M9 RR set | mid | $400 | fits: reported · 2021+120/70 front, 180/55 or 180/60 rear | Add to sheet |
| MOTO-D single-temp tire warmers | mid | $400 | fits: verified · 2021+120/70 front, 180/55 or 180/60 rear | Add to sheet |
| Dunlop Sportmax Q5 set | budget | $510 | fits: verified · 2021+120/70 front, 180/55 or 180/60 rear | Add to sheet |
| Pirelli Diablo Supercorsa SC V4 set | budget | $450 | fits: reported · 2021+120/70 front; 180/60 rear, the alternative to the stock 180/55 | Add to sheet |
| Levers6 fitASV and CRG shorty levers fit; the handlebar cockpit (vs the RS's clip-ons) means mirror, lever and perch fitment differs from RS 660 listings even where everything else matches. | ||||
| ASV C5 folding lever pair | premium | $300 | fits: verified · 2021–26 | Add to sheet |
| Gilles Tooling FXL adjustable lever pair | premium | $260 | fits: verified · 2021+ | Add to sheet |
| Puig 3.0 lever pair | premium | $240 | fits: verified · 2021–26 | Add to sheet |
| Bonamici EVO brake lever guard | premium | $230 eBay — $258.30 checked Oct 14 (opens in new tab) | fits: reportedSold without adapter; needs a Bonamici adapter chosen by bar-end inner diameter (13–21 mm) or by bike | Add to sheet |
| Pazzo shorty lever pair | mid | $200 | fits: verified · 2021–26 | Add to sheet |
| R&G moulded lever guard | budget | $70 | fits: verifiedTuono 660 2021–24 (MLG0013); 2025+ incl. Factory (MLG0047) | Add to sheet |
| Rearsets3 fitSeat: The stock seat is thin and flat — comfort seats and gel retrofits are a recurring owner purchase for commuting duty. Try seat position tweaks before spending; the 660's triangle is roomier than the spec sheet suggests. | ||||
| Bonamici rearsets | premium | $670 | fits: verified · 2020–26Same set as the RS 660 | Add to sheet |
| Sato Racing rearsets | premium | $600 | fits: verified · 2021+Same set as the RS 660 | Add to sheet |
| Woodcraft complete rearset kit | mid | $530 | fits: verified · 2021+ | Add to sheet |
| Clip-ons & Throttle2 fit | ||||
| Domino A450 race grips | budget | $30 eBay — $29.95 checked Oct 14 (opens in new tab) | fits: verifiedUniversal 22 mm (7/8 in) open-end race grips, 120–125 mm, for twist throttles | Add to sheet |
| ProGrip 717 grips | budget | $18 eBay — $17.98 checked Oct 14 (opens in new tab) | fits: verifiedUniversal open-end race grip, 122 mm long, fits 22-25 mm bars; the RA version is 125 mm | Add to sheet |
| Crash Protection8 fitGB Racing and Woodcraft case covers list the 660 engine; add frame sliders and bar-end weights — naked bikes drop onto bars and cases. Womet-Tech and R&G cover the budget-to-mid ladder. | ||||
| GB Racing engine cover set | premium | $320 | fits: verified · 2021–26Uses the RS 660 set | Add to sheet |
| Evotech Performance radiator guard | premium | $110 | fits: verified · 2021–242025+ not listed | Add to sheet |
| R&G engine case cover kit | mid | $220 | fits: verified · 2021–24Race-series pair; 2025+ not covered | Add to sheet |
| R&G Aero frame sliders | mid | $140 | fits: verified · 2021+Tuono 660 Factory 2022+ too | Add to sheet |
| Woodcraft frame sliders (with pucks) | mid | $85 | fits: verified · 2021–26Same kit as the RS 660 | Add to sheet |
| T-Rex Racing engine case covers | budget | $140 | fits: verified · 2021+ | Add to sheet |
| R&G fork protectors | budget | $60 | fits: verified · 2021+Tuono 660 Factory too | Add to sheet |
| R&G bar end sliders | budget | $55 | fits: verified · 2021+Tuono 660 Factory 2025+ too | Add to sheet |
| Tail Tidy & Billet5 fitFender eliminator is mod #1. TST-style integrated tail lights and flush signals are widely catalogued for the 660 family — the Tuono tail is its own part number, not the RS's. | ||||
| Rizoma Fox license plate support | premium | $320 | fits: verified · 2021–26Kit PT801 | Add to sheet |
| Evotech Performance tail tidy | premium | $230 | fits: verified · 2021+ | Add to sheet |
| New Rage Cycles fender eliminator | mid | $180 | fits: verified · 2021–24Shared with the RS 660 kit | Add to sheet |
| R&G tail tidy | mid | $160 | fits: verified · 2021+Tuono 660 Factory 2025+ too | Add to sheet |
| TST Elite-1 fender eliminator | mid | $85 | fits: verified · 2021+Same kits as the RS 660 | Add to sheet |
| Bodywork1 fit | ||||
| Stompgrip tank grip kit | budget | $65 | fits: verified · 2021–26Shared RS 660 / Tuono 660 kit | Add to sheet |
| Quickshifternone listed yetThe signature Tuono 660 cheap win: the ECU on 2021–24 base bikes already supports Aprilia's AQS up/down kit (~$200 accessory) — it's a plug-in, not an aftermarket retrofit. Factory trims have it standard. | ||||
| Nothing listed for this bike yet | ||||
| Drivetrain7 fitSame tall stock gearing story as the RS 660: +1 or +2 rear teeth wakes up a tight-track or city bike. 520 kits (Vortex/EK, Driven) are catalogued for the 660. | ||||
| DID ERV7 520 race chain | premium | $300 | fits: reported · 2021+520 pitch | Add to sheet |
| EK MVXZ2 520 chain | mid | $180 | fits: reported · 2021+520 pitch | Add to sheet |
| Renthal Ultralight rear sprocket | mid | $100 | fits: verified · 2021–26520 pitch | Add to sheet |
| Driven aluminum rear sprocket | mid | $85 | fits: verified · 2021+520 pitch | Add to sheet |
| Superlite steel rear sprocket | mid | $60 | fits: verified · 2020–26RSX steel, 520 pitch | Add to sheet |
| DID 520VX3 X-ring chain | budget | $180 | fits: reported · 2021+520 pitch | Add to sheet |
| Vortex steel front sprocket | budget | $35 | fits: reported · 2021–22520 pitch | Add to sheet |
| Electronics5 fit | ||||
| AiM MXS Strada race dash | premium | $1,400 | fits: reportedUniversal dash; kits ship with a 14-pin CAN or OBD CAN+K harness; AiM claims 2,000+ supported ECUs | Add to sheet |
| AiM Solo 2 DL lap timer | premium | $850 eBay — $899.00 checked Oct 14 (opens in new tab) | fits: reportedUniversal GPS lap timer; the DL adds ECU logging via CAN/RS232/K-line; dedicated bike kits available | Add to sheet |
| AiM Solo 2 lap timer | mid | $480 eBay — $499.00 checked Oct 14 (opens in new tab) | fits: verifiedUniversal GPS lap timer; no ECU connection | Add to sheet |
| Starlane Stealth-5 lap timer | mid | $460 eBay — $465.40 checked Oct 14 (opens in new tab) | fits: verifiedWires to the bike's 12 V battery (cable supplied) or an optional battery case; mounts included | Add to sheet |
| Healtech Brake Light Pro flasher module | mid | $65 | fits: verifiedTuono 660 2020–26 (BLP-U02); Tuono 660 Factory 2022–26 (BLP-U01) | Add to sheet |
Some links may earn Unstocked a commission at no cost to you. Prices shown are typical street prices — always verify fitment and price at the retailer. Model-specific parts (exhausts, rearsets, bodywork) can run 2–3× between bikes — the sheet shows a typical figure.
What the Tuono 660 runs stock
| Part | What it came with | Years |
|---|---|---|
| Suspension | Kayaba (KYB) 41 mm USD fork adjustable for rebound and spring preload, 110 mm travel; rear shock adjustable for preload and rebound, 130 mm travel | 2021–2024 |
| Suspension | Kayaba 41 mm USD fork, fully adjustable rebound, compression and preload adjustment, 110 mm travel; piggyback monoshock with rebound, compression and preload adjustment, 130 mm travel | 2022–2024 |
| Suspension | Öhlins 43 mm USD fork, fully adjustable 2025 Factory: fully adjustable Öhlins 43 mm fork (110 mm travel) and fully adjustable Öhlins monoshock (130 mm) | 2025–present |
| Brakes | Brembo radial 4-piston calipers, 320 mm discs dual 320 mm discs, Brembo radial calipers with four 32 mm pistons, Brembo radial master cylinder, braided lines; rear 220 mm disc with Brembo 2-piston caliper; multi-map ABS, with the cornering function listed on the Factory sheets | All years |
| Tires & Wheels | 120/70 ZR17 · 180/55 ZR17 180/60 ZR17 listed as the alternative rear; 3.5 × 17 / 5.5 × 17 aluminium alloy wheels | All years |
| Quickshifter | Aprilia Quick Shift (AQS) — not standard the base-model spec sheet lists a plain 6-speed gearbox with no AQS; the quickshifter is an add-on on this trim | 2021–2024 |
| Quickshifter | Aprilia Quick Shift (AQS) up/down bidirectional quickshifter standard on Factory trims | 2022–2024 · 2025–present |
| Drivetrain | 17/43 final drive chain final drive, 17/43 on the base bike; the Factory sheets do not list a ratio | 2021–2024 |
| Electronics | APRC suite ATC traction control, AWC wheelie control, AEB engine brake, AEM engine maps, ACC cruise control; 5 riding modes (3 fixed, 2 customisable); ride-by-wire with twin 48 mm throttle bodies | 2021–2024 |
| Electronics | APRC suite with 6-axis IMU 6-axis inertial platform with ATC, AWC, AEB, AEM, ACC and multi-map cornering ABS; 2025 adds ALC launch control and a bonded 5-inch TFT | 2022–2024 · 2025–present |
From the manufacturers' press material; entries marked reported come from other sources. Check against your exact model year. Stock parts for every bike →
Why mod a Tuono 660
The Tuono 660 is the cheapest ticket into Aprilia's top-shelf electronics, wrapped in a naked that commutes Monday and does track Fridays. The half-fairing keeps it from being just another naked — and the RS 660's race ecosystem means the upgrade catalog is already deep.
Tuono 660 street mods, in order
Tail tidy
The stock plate hanger is enormous — a fender eliminator is mod #1 on every naked and doubly so here. Flush LED signals while you're in there.
Quickshifter (base bikes)
2021–24 base bikes left the factory AQS as a ~$200 accessory the ECU already supports — the highest grin-per-dollar purchase on this bike. Buying used? Check whether it's already activated.
Protection
Frame sliders and engine case covers — the 660 twin's cases are shared with the RS 660, so GB Racing and Woodcraft coverage applies. Nakeds land on their sides; sliders earn their keep.
Slip-on
SC-Project, Akrapovič and LeoVince list the 660 platform — many systems share fitment with the RS 660 (verify the listing). Slip-ons keep the cat and run fine stock.
Comfort and contact
Shorty levers, grips, and a comfort seat — the stock plank is a top-three owner complaint for anyone doing real miles.
Suspension honesty
The 2021–24 base shock adjusts preload only. Spring the fork for your weight and either upgrade to Factory-spec adjustable units or an aftermarket shock (Öhlins, K-Tech, Nitron all list the 660).
Tuono 660 track build, in order
Tires and tank grips
Supercorsa SP/Q5-class rubber in the stock 120/70-17 and 180/55-17 sizes, plus Stompgrip/TechSpec panels — the upright ergos make lock-on grip matter more, not less.
Brake consumables
Race pads, braided lines, high-temp fluid and a lever guard for the Brembo radials. Hardware is already good; consumables are the gap.
Fix the rear first
Base bikes: the preload-only shock is the weak point at pace — an adjustable aftermarket unit sprung for your weight is the single biggest track upgrade on this bike.
Case covers and sliders
Track orgs want covered cases: GB Racing/Woodcraft covers plus axle sliders. Twins Cup vendors (Spears Racing and co.) stock the 660 family.
Ergonomics and gearing
Rearsets (Bonamici, Woodcraft — most RS 660 sets have Tuono fitment, verify per listing) and a rear sprocket bump for tight tracks; base 2021 gearing is tall.
Full system and tune
Full exhaust plus a matched flash last — decat without a tune throws a CEL, and the money does more in suspension and tires until you're chasing tenths.
Tuono 660 fitment by year (2021–2026)
- Tuono 6602021–2024
Launch bike: ~95 hp claimed, preload/rebound-adjustable KYB fork, Sachs shock, quickshifter a ~$200 factory accessory rather than standard. 2021 builds fall under the 660 con-rod recall (NHTSA 21V-502) — verify by VIN.
- Tuono 660 Factory2022–2024
~100 hp claimed, fully adjustable KYB fork and Sachs reservoir shock, lithium battery (~4 lb lighter), quickshifter standard, shorter gearing. The trim most worth hunting used.
- 2025 refresh2025–present
US lineup goes Factory-only: ~105 hp claimed via 52 mm throttle bodies, Öhlins NIX fork + STX46 shock, launch control added. Suspension parts for 2021–24 bikes do not transfer.
Tuono 660 gotchas — read before buying
Tuono 660 parts interchange
Reported by riders; verify before buying. Full chart → See also: Aprilia RS 660.
- RS 660 shares the engine and frame — community-reported crossover on engine covers, case protection, drivetrain and most engine-adjacent hardware; bodywork, subframe and cockpit parts do not swap.
- Factory-trim takeoff suspension (fully adjustable KYB fork, Sachs reservoir shock) is community-reported to fit 2021–24 base bikes as a budget upgrade path — verify year and lengths before buying used takeoffs.
Aprilia Tuono 660 mods FAQ
Can I add the quickshifter to a base Tuono 660?
Yes — Aprilia's AQS up/down quickshifter is a roughly $200 factory accessory on 2021–24 base bikes, and the ECU already supports it. It's the consensus first mod for this bike.
Do RS 660 parts fit the Tuono 660?
Engine, protection and drivetrain parts largely do (community-reported); bodywork, tail sections, screens and cockpit controls don't — the Tuono runs a handlebar and its own fairing. Check each listing's fitment line for your exact year.
Tuono 660 base or Factory — which is the better platform?
Factory, if the price gap is small: fully adjustable suspension, standard quickshifter, lighter battery and shorter gearing are exactly the first ~$1,500 of mods you'd do to a base bike anyway.
Is the Tuono 660 good on track?
Yes — it's an RS 660 with a handlebar. Sort the rear shock (base bikes), fit race pads and proper rubber, and it hangs with faired middleweights at track-day pace.
What recalls affect the Tuono 660?
The 2021 connecting-rod recall (NHTSA 21V-502) covered early Tuono 660s along with the RS 660 — Aprilia replaced complete engines. A VIN check should show it closed on any 2021 bike.