Yamaha XT 660 R (2004–2016): The Uncompromising Dual-Sport Legacy

Introduction

The Yamaha XT 660 R isn’t just a motorcycle—it’s a bridge between eras. Born into a lineage that traces back to the iconic XT500, this 2004–2016 model carries the DNA of a dirt-defying legend while adapting to modern demands. With its 659cc thumper, long-travel suspension, and no-nonsense design, the XT 660 R is a machine that rewards riders who crave versatility without pretense. But does it still hold up as a true dual-sport? Let’s throttle into the details.

Design & Ergonomics

The XT 660 R’s stance screams off-road intent. Its 21-inch front wheel, 210 mm (8.3 in) of ground clearance, and 865 mm (34.1 in) seat height position you like a hawk surveying terrain. The steel diamond frame is slim, letting you grip the tank effortlessly when standing on the pegs. But this height comes at a cost: shorter riders might find tip-toeing at stops a chore.

The bodywork is minimalist—plastic panels are rugged but lack the bulk of modern adventure bikes. The narrow seat, while great for maneuverability, firms up after 100 km (62 miles), reminding you this isn’t a touring couch. Wind protection? Non-existent. You’ll want an aftermarket screen for highway slogs.

Engine & Performance

At its heart lies a 659cc liquid-cooled single-cylinder engine, pumping out 48 hp @ 6,000 rpm and 58.4 Nm (43.1 lb-ft) of torque @ 5,250 rpm. Fuel injection (a rarity in early 2000s dual-sports) ensures crisp throttle response, though it’s famously snappy—crack the throttle off-road, and the front wheel leaps up like a startled mustang.

• On-Road: The XT thrives in urban chaos. It filters through traffic with a 845 mm (33.2 in) width and accelerates hard enough to embarrass commuter cars. The 5-speed gearbox’s short ratios keep things lively, but cruising at 120 km/h (75 mph) vibrates the bars like a paint mixer. Top speed? A claimed 164.7 km/h (102.3 mph), but you’ll rarely want to linger there.
• Off-Road: This is where the XT flexes. The torquey low-end pulls you out of sandy ruts, while the 225 mm (8.8 in) front suspension soaks up rocks. But the stock Metzeler Tourance tires prioritize pavement—swap them for knobbies (available at MOTOPARTS.store) to unlock its dirt potential.

Fuel efficiency hovers around 23 km/L (54 mpg), giving a 345 km (214 mi) range from its 15L (3.3 gal) tank—enough for weekend adventures.

Handling & Suspension

The XT’s 1505 mm (59.3 in) wheelbase and 172 kg (379 lbs) dry weight make it flickable on trails. The 43mm Paioli forks and rear Monocross shock offer plush travel but lack adjustability. Hardcore riders might crave rebound damping, yet the setup works surprisingly well for everything from fire roads to curb hopping.

On pavement, the 21-inch front wheel feels vague in tight corners, but the chassis’ rigidity inspires confidence. Braking is adequate: the 298mm front disc (2-piston caliper) has decent bite, though repeated hard stops can induce fade.

Competition

How does the XT 660 R stack up against rivals?

1. Suzuki V-Strom 650 (2004–2012):
2. Pros: Smoother V-twin, better wind protection, lower seat (820 mm / 32.3 in).
3. Cons: 40 kg (88 lbs) heavier, less off-road capable.

4. Verdict: The V-Strom is a road-biased alternative; the XT rules the dirt.

5. BMW F650 GS (2000–2007):

6. Pros: Telelever front suspension, iconic brand cachet.
7. Cons: Less torque (62 Nm vs. 58.4 Nm), higher maintenance costs.

8. Verdict: The BMW excels on tours; the XT is the scrappier off-roader.

9. KTM 690 Enduro (2008–2016):

10. Pros: 67 hp, 30 kg (66 lbs) lighter, premium suspension.
11. Cons: Double the price, reliability quirks.
12. Verdict: The KTM is a race-bred beast; the XT is the budget warrior.

The XT 660 R carves its niche as a raw, affordable all-rounder—perfect for riders who value simplicity over gadgets.

Maintenance

The XT’s air-cooled heritage shines in its low-maintenance design. Here’s how to keep it thriving:

1. Oil Changes: Every 5,000 km (3,100 mi). Use 10W-40 JASO MA2 oil (2.6L with filter). MOTOPARTS.store stocks Yamalube kits.
2. Air Filter: Clean every 3,000 km (1,860 mi) off-road. Upgrade to a K&N washable filter (Part #YA-660R) for dusty trails.
3. Valve Adjustments: Check every 10,000 km (6,200 mi). Shim-under-bucket design requires patience—or a trusted mechanic.
4. Chain & Sprockets: The O-ring chain lasts 15,000 km (9,300 mi) with regular lubrication. Swap worn sprockets for DID Vortex sets for durability.
5. Suspension: Service forks every 20,000 km (12,400 mi). Consider Progressive springs for heavier riders.
6. Brakes: EBC sintered pads improve stopping power. Bleed fluid annually.

Common issues include a stiff throttle cable (lube regularly) and a vulnerable exhaust header (install a MOTOPARTS.store skid plate).

Conclusion

The Yamaha XT 660 R is a relic of a time when dual-sports were more dirt than diplomacy. It’s unapologetically rough around the edges, yet that’s precisely its charm. For urban commuters craving weekend trail escapes or seasoned riders wanting a bulletproof companion, the XT delivers. It won’t coddle you with gadgets, but it’ll outlast trends—and maybe the apocalypse.

At MOTOPARTS.store, we’ve got the upgrades to sharpen its claws: from knobby tires to crash bars. Because every scratch on an XT isn’t a flaw—it’s a story.

Ready to write your own adventure? Gear up with our XT 660 R parts collection today.

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