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Technical Data Sheets TY 250 Z
Find all the detailed technical specifications for the liquid-cooled TY 250 here. This data will enable you to maintain, repair, and optimize your machine with precision.
Technical specifications of the TY 250 Z Type 4GG
| Feature | Specification |
|---|---|
| N° de série-Serial number | 4GG-003101 |
| Poids net-Net weight | 82 KG-180,8 lb |
| Moteur-motor (type) | 2 temps, refroidissement liquide-2 stroke, liquid-cooled |
| alésage course cylindrée-Bore stroke displacement | 74,00 x 58,00mm 249 cm3 |
| Rapport volumétrique-Compression ratio | 8,4:1 |
| Jeu de jupe de piston-Piston clearance | 0,030-0,035mm; max :0,1mm |
| Fente segment en place-Ring end gap installed | 0,30-0,45mm sup; 0,30-0,45 inf |
| Carburateur-Carburetor | TEIKEI Y26P |
| Gicleur principal-Main jet | 165 |
| Gicleur à aiguille-Needle jet | S-85 |
| Position du circlips sur l'aiguille-jet needle clip position | 5C77-3ème cran |
| Biseautage boisseau-Cut away | 2 mm |
| Gicleur de ralenti-Pilot jet | 40 |
| Gicleur d'air-Air jet | 2,5mm |
| Gicleur de starter-Starter jet | 0,7 |
| Vis d'air (tours en dévissant)-Air screw (turns out) | 1 1/2 |
| Hauteur du flotteur-Float level | 21,00-23,00 mm |
| Qantité et type huile de boîte de vitesse-Oil volume type transmission | 750cc SAE SE 10W/30W |
| Volume réservoir d'essence-Gasoline tank volume | 3,0 L |
| Huile de fourche-Front Fork | 443 CC |
| Pneus(taille, pression)-Tires (size, pressure) | Avant, Front: 2.75-21, 0,43 kg/cm²; Arrière, Rear: 4.00-18, 0,32 kg/cm² |
| Résistance bobine de source CDI-Source CDI coil resitance | 8,1-9,9 ohms (rouge-noir/blanc red-black/white) et 185-227 ohms (brun/noir-brown/black) |
| Résistance enroulement primaire bobine-Ignition coil primary winding resistance | 0,85-1,15 ohms |
| Résistance enroulement secondaire bobine-Ignition coil secondary winding resistance | 5-6,8 kohms |
| Capacité condensateur-Condenser capacity | - |
| Ecart des contacts de rupteurs-Contact breaker point gap | - |
| Bougie écart-Spark plug gap | NGK BP6EV 0,7-0,8 mm |
| Avance à l'allumage-Ignition timing | 1,6 mm (19°- 2500tr/min) APMH BTDC |
Important technical points
These specifications are essential for the maintenance and repair of your TY 250 mono. Note the main differences between the versions.
Carburetion settings may need to be adjusted depending on altitude and operating conditions. Electrical data is crucial for diagnosing ignition faults.