1987 Yamaha SRX250T/TC Service Manual
1987 Yamaha SRX250T/TC service manual covering engine removal, disassembly, inspection, and repair procedures. Publication LIT-11616-06-04.
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Yamaha Models Covered & Key Technical Specifications
Models: Yamaha SRX250T, Yamaha SRX250TC
Build Years: 1987
Serial Numbers: SRX250T: JYA2NV00HA000101 and up (Frame), 2NV-000101 and up (Engine); SRX250TC: JYA2NW00HA000101 and up (Frame), 2NW-000101 and up (Engine)
Technical Data:
- Engine displacement: 250 cc class
- Idle speed: 1,350–1,450 r/min
- Compression pressure (Standard): 1,100 kPa (11 kg/cm², 156 psi)
- Compression pressure (Minimum): 900 kPa (9 kg/cm², 128 psi)
- Compression pressure (Maximum): 1,200 kPa (12 kg/cm², 171 psi)
- Engine oil capacity (without filter): 1.5 L (1.32 Imp qt, 1.6 US qt)
- Intake valve clearance (Cold): 0.08–0.12 mm (0.003–0.005 in)
- Exhaust valve clearance (Cold): 0.10–0.14 mm (0.004–0.006 in)
- Main circuit breaker: 20 A
- Standard Spark Plug: NGK D8EA or NIPPONDENSO X24ES-U
- Drive chain slack: 15–20 mm (0.6–0.8 in)
- Fork oil capacity (each fork): 243 cm³ (8.55 Imp oz, 8.22 US oz)
- Front axle nut torque: 75 Nm (7.5 m·kg, 54 ft·lb)
- Drain plug torque: 43 Nm (4.3 m·kg, 31 ft·lb)
Yamaha Manual Features & Content Preview
1987 Yamaha SRX250T/TC Service Manual
- Covers the 1987 Yamaha SRX250T and SRX250TC lightweight sport motorcycles, documenting standard maintenance, engine overhaul, and chassis adjustment specifications
- Original OEM publication P/N LIT-11616-06-04, first edition February 1987
- Contains 100+ pages of technical illustrations, exploded-view assembly diagrams, and torque value tables
- File delivered as a direct download the moment payment clears
- Indexed PDF search covers every chapter and appendix
- Stored against your account so you can retrieve it after a hard-drive loss
- This 1987 first edition is the factory reference used for the model launch, providing baseline mechanical data for the 2NV and 2NW series engines
Engine and Maintenance Overview
The 1987 Yamaha SRX250T/TC service manual details periodic inspection intervals, valve clearance adjustment methods using shim-style pads, and routine lubrication requirements. Chapters outline engine removal, comprehensive disassembly of the transmission, crankshaft, and balancer shafts, alongside electrical system testing. This technical document provides essential factory specifications for reconditioning the top end, measuring piston-to-cylinder tolerances, and identifying wearable components. Technicians find specific guidelines for verifying gear engagement, starter drive functionality, and chassis component maintenance.
Technical Specification Preview
Detailed torque tables provide mounting values for the cylinder head, oil drain plugs, and primary drive assemblies to assist in quality assembly. Cylinder head warpage limits are documented at 0.03 mm for precision inspections. Valve stem clearance for the intake is listed at 0.010–0.037 mm in the cylinder head specification table. Battery charging current is specified at 1.2 amps for 10 hours in the electrical maintenance data section. Reference this workshop manual format to understand the structure of Yamaha factory documentation. An official 1987 Yamaha OEM workshop manual covering the 1987 Yamaha SRX250T and SRX250TC, documenting engine, chassis, electrical, and fuel-injection specifications for the 2NV and 2NW-series build.
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