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Yamaha XS 650 3L1 spare parts - the "Special Twin" of the 80s
With the XS6503L1 from 1980 drove the "chopperization" of the legendary parallel twins. While the 447 standard models still embodied classic naked bike design with 19/18 -inch spokes, the 3L1 set on a 19 -inch front wheel, 16 -inch rear wheel, step seat, high -handlebar and drop tank - all ex works in chrome and polished shine to hit the US cruiser taste. The technology remained in the core of the proven 653cm³ OHC - twin, but received torque -stronger channels, contactless transistor ignition and a Lima with 240W to supply additional lighting and e -starter. Today, 3L1 models are sought -after basis for bobber or tracker conversions, but also original restored Heritage Specials Experience a value revival. The supply of suitable ones is crucial Yamaha XS6503L1 spare parts, because some differences to the 447 standard are larger than you suspect.
Model history: Special, Heritage & Limited
The first appeared in 1980 XS650SE Specialii; In 1981 the Special III (XS650H), 1982 Die Heritage Special (Type5V2) with a new decorative line and chrome spokes. In 1983 the end of production in Japan marked, while in the United States, remaining stocks were approved until 1984. All 3L1 frames bear the prefix number "3L1 -", engine blocks begin with "3L1". Important for parts: AB’82 Yamaha changes the Lima regulator rectifier from separate controller coil to a combined solid state module (Reg -Rec).
✓ Motor
653cm³, 9.0: 1, 75 × 74mm, 29mm crank pencil, 3L1 crankshaft lighter than 447 (–200g).
✓ Intersection
34mm Mikuni BS34 CV, main nozzle#132.5 (USA#122.5), idle#25.
✓ ignition
TCI module (3L1-85540 - A0) ex works; Contact option only "Canada -Spec".
✓ Chassis
35mm telegabel, 19 -Z Speichen Speiche front / 16 -Z Speichen at the back, drum disc 298mm front, 5 -step spring legs.
3L1 vs. 447 - The practical differences
- ✓ Cylinder head channels - 28mm (3L1) instead of 30mm (447) → More low -end torque, fewer peak - horsepower.
- ✓ Electrics - 240W Lima & Reg -Rec in one, 447 = 200W & separated.
- ✓ Wheels/brakes - 16 -inch rear wheel & drum differently than 18 -inch disc on the 447, axle diameter smaller.
- ✓ Frame back - Below cross -conveyor deeper, frequently shortened for bobber conversion; 447 seat bench does not fit without mod.
Maintenance & intervals for the 3L1
✓ Oil & filter - 5000km, 20W - 50, clean clean, filter element YO - 005.
✓ Valve - 5000km (admission 0.06mm/outlet 0.12mm).
✓ TCI sensor -air gap - Check 0.3mm with every valve setting.
✓ Lima rotor - Install resistance 5.5Ω, test magnetization, in the event of an undervoltage PMA kit.
✓ Steering head Kegel roller - 20,000 km fats, warehouse set of all -balls saves annual re -enactment.
Typical weaknesses & solutions
✓ Regulator rectifier IC
Hitzisse → MOSFET SH775 with plug adapter, stable 14.4V.
✓ Clutch jerk damper
Loosen rivets → riveting, using a feather kit (Heiden tuning).
✓ Swing bushes
Retrofit steel thorn in the rubber → bronze sockets & lubrication nipple.
✓ Oil leak light machinery cover
Clift gear ventilation, clean Viton simmering & ventilation.
Upgrades for driving fun and reliability
- ✓ PMA light machine (200W) +lithium battery: 3kg weight savings & constant on -board voltage.
- ✓ Mikuni VM34 Flatslide - more lively gas response, +7% torque.
- ✓ Hagon spring legs (360mm) - Higher rear, more agile steering, adjustable train level.
- ✓ 320 mm brake disc + Brembo P4-30/34 - 15% shorter braking distance, steel flex mandatory.
Partial tourcing: OEM, Aftermarket, community
Yamaha keeps 3L1 key parts - crankshaft seals, piston rings Ø75mm, lima rotors - still in the Heritage program. Aftermarket shops (Mikesxs, Heiden Tuning) deliver bronze sockets, PMA - kits, big bore cylinder and stainless steel - 4 - 1 systems. 3D print service providers manufacture rare plastic parts such as battery box lid or TCI holder. In XS community forums, enthusiasts exchange NOS stocks and hard -to -find emblems.
3L1 compared to the 447 café favorite
Many appreciate 447 because of its classic lines and "British" seat height, but the 3L1 convinces with torque -fermenting characteristics and cruiser ergonomics. For custom projects, the 3L1 rear frame is easier to shorten, the 16 -inch rear wheel offers fat tire selection (130/90-16) and TCI ignition simplifies. If you want to switch to a sporty 18 -inch look, you can take over 447 rims (36 spokes) with suitable distance sleeves. Motor parts are 95% compatible - the part number for pistons, cylinder head and crankshaft is crucial.
Competition & collective potential
Original Heritage Specials with golden pinstripes and intact drop of drop tank chrome line rise annually ≈6%. Complete maintenance history, documented YamaHaxs650 spare parts And proven PMA/TCI upgrades increase the market value and everyday suitability. Custom conversions attract fans to meetings, but rarely achieve the prices of matching - numbers.
Conclusion - spare parts make the 3L1 a timeless "special"
The Yamahaaxs650 3L1 Combines the legendary twin heartbeat with casual cruiser aesthetics - a perfect canvas for restorers, bobber builders or long -distance nostalgics. With precisely precise Yamahaaxs6503l1 spare parts - From Viton seals to PMA light machines - your special twin remains reliable, iconic and stable. Grip the HERITAGE parts or high -quality aftermarket solutions and continue the chapter of the XS legend with every Kickstarter step.
Whether original "Heritage Special" or individual custom building - with the right spare parts yours remains XS650 3L1 A reliable, vibrating classic that connects generations.