Are there any specialist tools required .

Its easy if you're skilled and have the know how and tools, but its very hard if you've not. Is it worth the risk?.

you do req timing pin tools to locate and hold camshaft crankshaft and fuel pump and the crank pulley bolt is v tight u can use long 8 mm bolts to locate your timing gears l do but your flywheel locating tool should be hardened steel will push in to flywheel the rest screw in