Suzuki GSX-R600 mods & upgrades
The GSX-R600 is the working rider's supersport: cheap to buy, cheap to crash, and raced in every US club paddock.
- Engine599 cc inline-four
- Power~124 hp (claimed)
- Wet weight412 lb (claimed, L1)
- Seat height31.9 in
- Front endShowa Big Piston Fork, Brembo monobloc calipers (2011+)
Parts that fit the GSX-R600
111 parts in 14 categories, with typical prices — verify fitment for your exact year and market.
| Part | Tier | Typical price | Fitment | Add to sheet |
|---|---|---|---|---|
| Exhaust5 fitM4 is the GSX-R default — GP and Street Slayer slip-ons, and the GP full system the club-race grid runs. Yoshimura is the other natural pairing. A full system deletes the SET servo valve, so budget a flash or servo eliminator with it. | ||||
| Akrapovič slip-on (titanium) | premium | $1,000 | fits: verified · 2011–172018+ not listed | Add to sheet |
| Toce Razor Tip full system | mid | $1,200 | fits: verified · 2011+Decat system from 2006 | Add to sheet |
| M4 full system with GP canister | mid | $1,050 | fits: verified · 2008–102011+ is a Tech1 carbon system | Add to sheet |
| Yoshimura AT2 slip-on | mid | $690 | fits: verified · 2011–26Not 1997–2010 | Add to sheet |
| Yoshimura R-77 slip-on (stainless muffler) | mid | $630 | fits: verified · 2011–26 | Add to sheet |
| Tune10 fitMoore Mafia owns GSX-R flash tuning by reputation; FTECU and Woolich cover DIY. A flash pairs with any full system and can add autoblip functionality on supported years. | ||||
| Woolich Racing flash kit + license | premium | $500 | fits: verified · 2004–26 | Add to sheet |
| FTECU Data-Link flash kit | premium | $380 | fits: verified · 2004–24 | Add to sheet |
| Sprint Filter P08 air filter | premium | $120 | fits: verifiedGSX-R600 2004–05 (PM24S), 2006–10 (PM25S), 2011+ (PM122S); 2001–03 not listed | Add to sheet |
| Dynojet Power Commander 6 | mid | $480 | fits: verified · 2001–26Not 1997–2000 | Add to sheet |
| Dynojet AutoTune kit (single sensor) | mid | $430 | fits: verified · 2001+With a Power Commander 6 | Add to sheet |
| Moore Mafia mail-in ECU flash | mid | $340 | fits: verified · 2004–26 | Add to sheet |
| DNA performance air filter | mid | $110 | fits: verifiedGSX-R600 2001–03, 2004–05, 2006–10, 2011–24 (four filters) | Add to sheet |
| BMC race air filter | mid | $95 | fits: verifiedGSX-R600 2001–03, 2004–05, 2006–10, 2011–20 (FM268/04, FM354/04, FM440/04, FM628/04 RACE) | Add to sheet |
| 2 Wheel DynoWorks mail-in ECU flash | budget | $320 | fits: verified · 2004–262004–05, 2006–07, 2008–10 and 2011+ services | Add to sheet |
| K&N high-flow air filter | budget | $95 | fits: reportedGSX-R600 2001–03, 2004–05, 2006–10, 2011–26 (four K&N filters) | Add to sheet |
| Suspension12 fitL1's Big Piston Fork takes springs and revalving well; Öhlins and K-Tech cartridges are the step beyond. The most repeated advice in the paddock: get it sprung for your weight before buying anything gold. | ||||
| Öhlins TTX GP rear shock | premium | $1,650 | fits: verified · 2011–25 | Add to sheet |
| K-Tech DDS Lite rear shock | premium | $1,400 | fits: verified · 2006+ | Add to sheet |
| Öhlins NIX30 fork cartridge kit | premium | $1,300 | fits: verified · 2011–25 | Add to sheet |
| Penske 8983 double-adjustable shock | premium | $1,300 | fits: reported · 1997–20222023+ not listed | Add to sheet |
| GPR V5-S steering stabilizer | premium | $530 | fits: verified · 1997+ | Add to sheet |
| Öhlins steering damper | premium | $490 | fits: verified · 2001–26 | Add to sheet |
| Nitron R1 rear shock | mid | $810 | fits: verified · 1997–2025 | Add to sheet |
| Andreani Misano fork cartridge kit | mid | $770 | fits: verified · 2004+2001–03 not listed | Add to sheet |
| YSS rear shock | budget | $500 | fits: verified · 1997–20172018+ not listed | Add to sheet |
| Race Tech Gold Valve kit | budget | $300 | fits: verified · 1997–2009 & 2011–15Cartridge kit | Add to sheet |
| HyperPro progressive fork springs | budget | $200 | fits: verified · 1997–20212022+ not listed | Add to sheet |
| Race Tech fork springs | budget | $150 | fits: verified · 1997–2009 & 2011–152010, 2016+ not listed | Add to sheet |
| Brakes13 fitThe stock master cylinder is the community's named weak point. A Brembo RCS 19 fixes it properly; the budget route is a used late-model R6 master cylinder (community-reported). L1 monobloc pads differ from K8 Tokico pads — listings split at 2011. | ||||
| Brembo GP4-RX caliper pair | premium | $3,170 | fits: reported · 2004+ | Add to sheet |
| Brembo T-Drive front rotor pair | premium | $1,480 | fits: reported · 2001–03 & 2006+2004–05 not listed | Add to sheet |
| Brembo 19 RCS Corsa Corta master cylinder | premium | $690 | fits: reported · 2004+Twin discs, four-piston calipers | Add to sheet |
| Galfer Wave front rotor pair | premium | $620 | fits: verified · 1997+ | Add to sheet |
| Brembo 19 RCS radial master cylinder | premium | $600 | fits: reported · 2004+Twin discs, four-piston calipers | Add to sheet |
| SBS Dual Sinter race pads (per caliper) | premium | $180 | fits: reported · 1997–2025631DS 1997–2003; 806DS 2004–10; 841DS 2011+ | Add to sheet |
| Brembo Z04 race pads (per caliper) | premium | $150 | fits: reported · 2004–11M518Z04 to 2010; M497Z04 from 2011 | Add to sheet |
| Vesrah SRJL-XX race pads (per caliper) | premium | $140 | fits: reported · 2004–26VD-355 to 2010; VD-9031 from 2011 | Add to sheet |
| Core Moto custom stainless brake lines | mid | $150 | fits: verified · 1997–2024 | Add to sheet |
| Spiegler stainless front brake line kit | mid | $130 | fits: verified · 1997+ | Add to sheet |
| GBrakes (formerly Galfer USA) stainless front brake line kit | mid | $100 | fits: verified · 1997–2026 | Add to sheet |
| EBC Double-H sintered pads (per caliper) | budget | $50 | fits: verified · 1997–2024FA158HH 1997–2003; FA379HH 2004–10; FA447HH 2011–24 | 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 & Wheels11 fit | ||||
| Pirelli Diablo Supercorsa SP V4 set | premium | $560 | fits: verified · 2006+120/70 front, 180/55 rear | Add to sheet |
| Michelin Power Cup 2 set | premium | $520 | fits: verified · 2006+120/70 front, 180/55 rear | Add to sheet |
| Bridgestone Battlax RS12 set | mid | $510 | fits: verified · 2006+120/70 front, 180/55 rear | Add to sheet |
| Michelin Power GP2 set | mid | $500 | fits: verified · 2006+120/70 front, 180/55 rear | Add to sheet |
| Bridgestone Battlax S23 set | mid | $460 | fits: reported · 2006+120/70 front, 180/55 rear | Add to sheet |
| Michelin Power 6 set | mid | $460 | fits: verified · 2006+120/70 front, 180/55 rear | Add to sheet |
| Pirelli Diablo Rosso IV set | mid | $440 | fits: verified · 2006+120/70 front, 180/55 rear | Add to sheet |
| Continental ContiSportAttack 5 set | mid | $420 | fits: verified · 2006+120/70 front, 180/55 rear | Add to sheet |
| Metzeler Sportec M9 RR set | mid | $400 | fits: reported · 2006+120/70 front, 180/55 rear | Add to sheet |
| MOTO-D single-temp tire warmers | mid | $400 | fits: verified · 2006+120/70 front, 180/55 rear | Add to sheet |
| Dunlop Sportmax Q5 set | budget | $510 | fits: verified · 2006+120/70 front, 180/55 rear | Add to sheet |
| Levers8 fitASV C5 or CRG RC2. Skip unbranded pairs on a bike you brake hard with. | ||||
| ASV C5 folding lever pair | premium | $300 | fits: verified · 1997–2026 | Add to sheet |
| Gilles Tooling FXL adjustable lever pair | premium | $260 | fits: verifiedGSX-R600 1996–2005 and 2011+; 2006–10 brake lever only | Add to sheet |
| Puig 3.0 lever pair | premium | $240 | fits: verified · 1997–20162017+ not offered | 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 |
| CRG RC2 lever pair | premium | $220 | fits: reported · 1997–2026 | Add to sheet |
| Pazzo shorty lever pair | mid | $200 | fits: verified · 1997–2026 | Add to sheet |
| Womet-Tech Evos shorty lever pair | budget | $110 | fits: verified · 2004–05Shared GSX-R600/750 set | Add to sheet |
| R&G moulded lever guard | budget | $70 | fits: verified · 2008+MLG0005 | Add to sheet |
| Rearsets5 fitWoodcraft is the track standard for the GSX-R — rebuildable with trackside spares. Vortex and Gilles are solid alternatives. 2011+ rearsets fit both the 600 and 750. | ||||
| Bonamici rearsets | premium | $670 | fits: verified · 2006–17Not 2018+ | Add to sheet |
| Attack Performance rearsets | premium | $620 | fits: verified · 2004+Three sets; not 2001–03 | Add to sheet |
| Sato Racing rearsets | premium | $600 | fits: verified · 2001–24 | Add to sheet |
| Woodcraft complete rearset kit | mid | $530 | fits: verified · 1997+ | Add to sheet |
| Arashi V2.0 adjustable rearsets | budget | $170 | fits: verified · 2011–25Not 1997–2010 | Add to sheet |
| Clip-ons & Throttle6 fit | ||||
| Gilles Tooling GPL2 clip-ons | premium | $270 | fits: verified · 2004+50 mm clip-ons; not 1997–2003 | Add to sheet |
| Driven Racing Halo clip-ons | mid | $230 | fits: verified · 1997–2005 & 2011–25Not 2006–10 | Add to sheet |
| Motion Pro Rev3 throttle kit | mid | $190 | fits: verified · 2004–26 | Add to sheet |
| Woodcraft 3-piece clip-ons | mid | $160 | fits: verified · 1997+Sets by generation | Add to sheet |
| 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 Protection9 fitGB Racing case covers are the track-org staple; T-Rex and Shogun cover budget street sliders. Verify the year split — K8 kits do not fit L1 bikes. | ||||
| GB Racing engine cover set | premium | $320 | fits: verified · 2004–26Not pre-2004 | Add to sheet |
| R&G engine case cover kit | mid | $220 | fits: verified · 2004+Kits: 2004–05, 2006–07, 2008+ | Add to sheet |
| R&G Aero frame sliders | mid | $140 | fits: verified · 2004–242025+ not covered | Add to sheet |
| Woodcraft frame sliders (with pucks) | mid | $85 | fits: verified · 1997–2026Separate kit per generation; 2011+ shared with the 750 | Add to sheet |
| T-Rex Racing engine case covers | budget | $140 | fits: verified · 2011–23Not 1997–2010 | Add to sheet |
| Shogun no-cut frame sliders | budget | $70 | fits: verified · 1997–2025Separate kit per generation | Add to sheet |
| R&G fork protectors | budget | $60 | fits: verified · 1997+Kits for 1997–2001, 2002–05 and 2006+ | Add to sheet |
| R&G bar end sliders | budget | $55 | fits: verified · 2016–24Older years only via the generic 'most Suzuki models' kit | Add to sheet |
| Vortex swingarm spools | budget | $20 | fits: reported · 1997–2026 | Add to sheet |
| Tail Tidy & Billet3 fitTST Industries and New Rage Cycles both make clean plug-and-play kits with integrated tail lights. Usually shared with the same-year GSX-R750. | ||||
| New Rage Cycles fender eliminator | mid | $180 | fits: verified · 2011+Tail tidy; 2004–10 not covered | Add to sheet |
| R&G tail tidy | mid | $160 | fits: verified · 2004+Kits for 2004–05, 2006–07, 2008–10 and 2011+ | Add to sheet |
| Competition Werkes fender eliminator | mid | $120 | fits: verified · 1997–2003 & 2006+2004–05 not covered | Add to sheet |
| Bodywork8 fit | ||||
| Sharkskinz race bodywork kit | premium | $1,200 | fits: verified · 2011–22Kit (2006–10: front fender only) | Add to sheet |
| Armour Bodies Pro Series race bodywork | mid | $1,060 | fits: reported · 2001–26 | Add to sheet |
| MRA race windscreen | mid | $140 | fits: verified · 1996+ | Add to sheet |
| Zero Gravity Corsa windscreen | mid | $120 | fits: verified · 2001–26 | Add to sheet |
| Zero Gravity Double Bubble windscreen | mid | $115 | fits: verified · 1997–2026 | Add to sheet |
| Hotbodies Racing bodywork kit | budget | $850 | fits: verified · 2001–25 | Add to sheet |
| TechSpec Snake Skin tank grips | budget | $80 | fits: reported · 2000–26 | Add to sheet |
| Stompgrip tank grip kit | budget | $65 | fits: verified · 2001–26 | Add to sheet |
| Quickshifter6 fitNo factory quickshifter on any GSX-R600. Healtech iQSE and Annitori QS Pro are the standalone standards; flash-based setups are available on later ECUs. | ||||
| HM Quickshifter Plus | premium | $540 | fits: reported · 2000+ | Add to sheet |
| Translogic Intellishift quickshifter | premium | $500 | fits: verifiedGSX-R600 2001–07 (TLS-QSXi-SS-DCS) and 2008+ (TLS-QSXi-HS-DCS) | Add to sheet |
| Healtech iQSE quickshifter (with harness) | mid | $370 | fits: verifiedGSX-R600 2001–26 (QSX-P4B); 1996–2000 needs the iQSE-W2 kit | Add to sheet |
| Dynojet quickshifter for Power Commander | mid | $320 | fits: verifiedGSX-R600 2001–24 (2010 not listed; with a Power Commander; the QEM-12 module covers 2006–24) | Add to sheet |
| FTECU quickshifter kit (flash-enabled) | mid | $250 | fits: verified · 2006–24 | Add to sheet |
| Annitori QS PRO 3 quickshifter | mid | $240 | fits: verified · 2001+Separate kits for 2001–03 and 2004+ | Add to sheet |
| Drivetrain5 fit | ||||
| Vortex V3 520 conversion kit | mid | $280 | fits: reported · 1997–2026 | Add to sheet |
| Renthal Ultralight rear sprocket | mid | $100 | fits: verified · 1997–2024520 or 525 pitch | Add to sheet |
| Driven aluminum rear sprocket | mid | $85 | fits: verified · 2001–19 & 2022–26520 or 525 pitch by year | Add to sheet |
| Superlite steel rear sprocket | mid | $60 | fits: verified · 2001–24RSX steel, 520 or 525 | Add to sheet |
| Vortex steel front sprocket | budget | $35 | fits: reported · 1997–2026520 or 525 pitch by year | Add to sheet |
| Electronics10 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 |
| Antigravity RE-START lithium battery | premium | $220 | fits: verified · 1997–2023ATZ10 RE-START | 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 |
| Shorai LFM lithium battery | mid | $180 | fits: verified · 1997–2023LFM14A4 | Add to sheet |
| Healtech GIPro DS gear indicator | mid | $160 | fits: verified · 2004–05GPDT-S01 | Add to sheet |
| Healtech exhaust servo eliminator | mid | $70 | fits: verified · 2006–26ESE-S01 to 2010, S02 from 2011; not 2001–05 | Add to sheet |
| Servo Buddy exhaust servo eliminator | mid | $70 | fits: reported · 2006–26Not before 2006 | Add to sheet |
| Healtech Brake Light Pro flasher module | mid | $65 | fits: verified · 1996–2026BLP-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 GSX-R600 runs stock
| Part | What it came with | Years |
|---|---|---|
| Suspension | inverted cartridge fork, fully adjustable (pre-BPF) the K4 introduced the inverted fork; preload, rebound and compression adjustable (high/low-speed compression on K8–K10) — replaced by the Showa BPF in 2011, so cartridge kits and internals split there | 2004–2005 · 2006–2007 · 2008–2010 |
| Suspension | Showa 41 mm Big Piston Fork fully adjustable BPF; Showa shock with external rebound/compression adjusters and ride-height adjustment | 2011–present |
| Brakes | dual 310 mm discs, radial-mount 4-piston Tokico calipers radial calipers arrived with the K4; no ABS on any year | 2004–2005 · 2006–2007 · 2008–2010 |
| Brakes | Brembo monobloc radial calipers, 310 mm floating discs Brembo 4-piston radial-mount monobloc calipers on fully floating 310 mm discs; Nissin single-piston rear | 2011–present |
| Tires & Wheels | 120/70ZR17 front · 180/55ZR17 rear unchanged since 2006 | 2006–2007 · 2008–2010 · 2011–present |
| Drivetrain | slipper clutch back-torque-limiting clutch standard since the K6 redesign | 2006–2007 · 2008–2010 · 2011–present |
| Electronics | S-DMS power maps + electronic steering damper only three A/B/C maps from 2008, two maps from 2011; no ABS, traction control or quickshifter on any US bike | 2008–2010 · 2011–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 GSX-R600
The GSX-R600 is the working rider's supersport: cheap to buy, cheap to crash, and raced in every US club paddock. Because the L1 platform has run unchanged since 2011, the aftermarket is deep and stable — parts developed a decade ago still fit a current-year bike.
GSX-R600 street mods, in order
Clean up the tail
Fender eliminator with flush or integrated LED signals. TST Industries and New Rage Cycles make model-specific kits; the same kit usually covers the matching-year GSX-R750.
Make it survivable
Frame sliders and engine case covers before anything shiny. Note the fitment split: K8–K10 slider kits do not fit L1 bikes.
Slip-on and levers
M4 is the GSX-R default — the same brand the US race paddock runs — with Yoshimura the classic Suzuki pairing. Add ASV or CRG levers while you are in there.
ECU flash
A mail-in flash (typical street price $250–350) smooths on/off throttle, raises the fan threshold, and clears servo-related codes if you go full system later. Moore Mafia has the GSX-R tuning reputation.
Suspension for your weight
Springs and setup for rider weight beat any bolt-on. The L1 Big Piston Fork responds well to springs and a professional setup before you spend on cartridges.
Rubber that matches the pace
Bridgestone S23 or Pirelli Diablo Rosso IV for aggressive street; a fresh set transforms a used bike more than any pipe.
GSX-R600 track build, in order
Tires and tank grips
Dunlop Q5 or Pirelli Supercorsa SP, plus Stompgrip or TechSpec tank grips. This is the whole first track day, done.
Brake refresh
Sintered pads (Vesrah, EBC HH), braided lines, and high-temp fluid. On 2004–2013 bikes, confirm the front master cylinder recall was completed before you trust the lever.
Suspension sprung for you
Springs and valving for your weight first; Öhlins NIX30 or K-Tech cartridges when you are consistently fast. Buy the brand your local suspension tuner supports.
Contact points
Woodcraft or Vortex rearsets (rebuildable after a crash) and clip-ons. Adjustability matters more than brand at this stage.
Make it crash-able
GB Racing case covers (required by many track orgs), race bodywork, and a lever guard. Cheap fairing repairs keep the season alive.
Power, last
M4 GP full system plus flash and a quickshifter. Genuinely worth it — but only once suspension, brakes and coaching money are spent.
GSX-R600 fitment by year (SRAD, K1–K3, K4–K5, K6–K7, K8–K10, L1)
- SRAD1997–2000
First GSX-R600 of the modern era, carbureted with ram air. Vintage-adjacent now — almost nothing crosses to 2001+.
- K1–K32001–2003
Fuel injection arrives. Shares styling language with the K1 750; parts pool is thin compared with later gens.
- K4–K52004–2005
New chassis, radial-mount front calipers, inverted fork. Bodywork and rearsets do not cross to K6.
- K6–K72006–2007
Full redesign with slipper clutch. A used-market favorite — cheap, plentiful, and deeply documented.
- K8–K102008–2010
Heavier but stronger midrange; electronically controlled steering damper. Bodywork, subframe and many brackets do not cross to L1.
- L12011–present
Current bike: roughly 20 lb lighter than K8, Showa Big Piston Fork, Brembo monobloc calipers. Every model year since 2011 is essentially the same machine — one parts search covers a decade-plus of bikes.
GSX-R600 gotchas — read before buying
GSX-R600 parts interchange
Reported by riders; verify before buying. Full chart → See also: Yamaha R6, Suzuki GSX-R750, Kawasaki Ninja 400 & Ninja 500.
- Community-reported: a 2006+ Yamaha R6 front master cylinder is the classic budget fix for the soft stock Suzuki unit — check banjo angle and reservoir routing on your year.
- 2011+ GSX-R600 and GSX-R750 share frame, bodywork, subframe, rearset and slider mounts; most bolt-on parts cross-fit (community-reported). Engine, header and gearing parts do not.
- Community-reported: the stock GSX-R600 rear shock is a popular budget upgrade donor for Ninja 400 track builds — take-offs hold value if you upgrade.
Suzuki GSX-R600 mods FAQ
What year GSX-R600 should I buy?
For a mod platform, any 2011+ (L1) — they are all essentially the same bike, so the parts pool is huge and nothing you buy is year-orphaned. K6–K7 (2006–2007) is the value pick if the budget is tight; it is the cheapest deeply documented gen.
Do GSX-R600 and GSX-R750 parts interchange?
From 2011 on, most cycle parts do — bodywork, rearsets, sliders, levers, tail tidies and subframes cross-fit (community-reported). Engine parts, exhaust headers and full systems do not. Always verify fitment for your exact year.
Will a slip-on throw a check engine light on a GSX-R600?
A slip-on that keeps the stock mid-pipe and SET servo valve usually will not. A full system removes the servo and will set an FI light unless you add a servo eliminator or have the ECU flashed.
Is the GSX-R600 still sold new?
Yes — Suzuki still sells it in the US, essentially unchanged since 2011. It left European lineups earlier over emissions rules, which is why some parts listings are Euro-market specific.
Is the GSX-R600 a good track bike?
It is one of the default US track-day bikes — 600 supersports are the most common machines in any paddock, and the GSX-R's unchanged platform means cheap used race bodywork, take-off tires and club-race knowledge everywhere.