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Toyota K series Engine repair manual

About the Toyota K series engine

The Toyota K series was a straight-4 engine produced from 1966 through 1988. It was a 2-valve pushrod engine design, a rarity for the company.

All K series are non-crossflow engines — the inlet and exhaust manifolds are on the same side. They have cast iron blocks and aluminium alloy heads, with a crankshaft supported by 5 main bearings. With the exception of the 5K, all K engines have solid lifters and 1.5 ratio rockers with an adjustment thread for tappet clearance.

2K

The 8-valve OHV 1.0 L (993 cc) 2K was produced from 1969 through 1988. Output in 1984 was 76 hp (34 kW) at 5600 RPM and 49 ft·lbf (66 N·m) at 4000 RPM.

Applications:

* Toyota Publica
* Toyota Starlet
* Toyota 1000

3K

The 8-valve OHV 1.2 L (1166 cc) 3K was produced from 1969 through 1977. Cylinder bore was 75 mm (2.95 in) and stroke was 66 mm (2.6 in). 3K 60hp at 6000rpm. 3K-BR 84hp at 6600rpm. 3K-B 97hp at 6600rpm (compression ratio of 10 and 9).

The 1969 through 1975 3K-B was a twin-carb version. The California-spec 3K-C (1977-1979) and 3K-H were other available versions.

Applications:

* Toyota Corolla
* Toyota Starlet
* Daihatsu Charmant
* Toyota Kijang/First Generation Toyota Tamaraw

4K

The 1.3 L (1290 cc) 4K was produced from 1978 through 1989. Cylinder bore was 75 mm (2.95 in) and stroke was 73 mm (2.87 in). It was a 8-valve OHV engine.

In 1980, the 4K produced 60 hp (45 kW) at 5250 RPM. From 1982 through 1984, output was 65 hp (48 kW) at 5600 RPM and 72 ft·lbf (97 N·m) at 3600 RPM.

The 1981 and 1982 California-spec 4K-C produced 58 hp (43 kW) at 5200 RPM and 67 ft.lbf (90 Nm) at 3600 RPM. Torque was up to 74 ft·lbf (100 N·m) at 3400 RPM for the fuel injected 1982 through 1984 4K-E. The Japan-spec 4K-U produced 74 hp (55 kW) at 5600 RPM and 78 ft·lbf (105 N·m) at 3600 RPM in 1982.

Applications:

* Toyota Corolla
* Toyota Starlet
* Toyota Liteace
* Daihatsu Charmant
* Toyota Kijang/Second Generation Toyota Tamaraw

Toyota K series Engine Genuine Service and Repair Manual Feb 1981

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