A poor design of the early Hinckley Triumph engines is that the sprocket cover is part of the engine casing, usually requiring the engine oil to be drained to change the engine sprocket or fit a new chain. To compound this, on the Tiger models, you have to remove the rider’s left foot rest as well. This takes time and is a real pain in the ass, something I have done before and didn’t want to do again just to fix a broken chain that had slid off.
As I could reach – and turn – the top of the engine sprocket, I tried to feed the chain in from the top, which wasn’t very successful because I couldn’t get any access to the lower part of the sprocket. 
I then decided that if I could feed the chain in from the lower part it would be easier to pull the chain around by spinning the top of the front sprocket. This worked a treat. I used a thin, curved, metal bar from a Triumph America screen as a support for the chain. By placing the chain on the metal bar and feeding them both under the swing arm until the chain pushed up against the sprocket I was able to hook the chain onto the sprocket after only four or five attempts of spinning the top of the sprocket with my hand. Once the chain was sufficiently far enough around the top of the sprocket I was able to start pulling it through with ease.
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