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1. 2017 Yamaha Yfz450

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This manual lacks a lot, to start off it doesn't have an index so if you want to find all the places a pilot screw is mentioned, you have to find all the places a pilot screw is mentioned, unheard of in an informational manual. The second problem is the lack of step by step instructions 'Follow the pictures' is not step by step instructions and the pictures are poor quality, hand drawn. The trouble shooting is very poor. Carburetors on these machines cause a lot of trouble, the carburetor section doesn't even include a trouble shooting section, just follow the picture till you hit on the right part that fix's your problem. It's a glorified picture book at best. Can you see the break down of parts?

2017 Yamaha Yfz450

Does it help? Yes Is this a shop manual worth a cent more than a Haynes? Definitively not. Haven't seen a Haynes for atv's but will buy one as soon as I do. I love shop manuals, this one is by far the worst I've ever bought and I didn't feel the slightest bit bad about paying for a good one, I just wish I would've gotten what I paid for.