G'day & welcome! Fine choice of machine...
For the front sprocket cover you'll need a gasket for this & a clutch pushrod oil seal would be good to have on hand. The push rod can also be reversed to provide a fresh surface for this seal if you consider it needed. If the bike's leaned over on the sidestand, quite a bit of oil can leak out. The front sprocket is highly torqued & uses a tab washer. You want to keep the old chain on until you loosen this as holding it from moving is tricky. An air impact wrench (or 12V wheel nut impact wrench) would be ideal... I'm a tightwad & don't fit a new tab washer unless it's totally fekked (Irish technical term
). Some folks like to have a new gearchange shaft oil seal handy too....I've never bothered, just use care sliding the cover over the splines.
Haynes do a manual for these - well worth it imo.
Bikebandit.com have the fiche blow-up parts diagrams, very useful too. They don't show Triumph factory part #s tho' I have a factory Tbird fiche as do others here if you need help there.
Changing sprockets gives you the chance to change the gearing. IMO these bikes are way undergeared tho' there's a bit of compromise to be considered for a high-ish !st gear & more relaxed top gear cruising on the five speeders. 17t/43t is stock. I'm running 19t/42t on my Legend, same as I did on my previous 98 Tbird. For full disclosure I mostly ride solo, out of town & have a few carb/ exhaust mods.
Maintenance is very easy on these imo. Even valve shimming I found easy, but ditched the ridiculously fiddly shim removal tool if favour of just lifting the camshafts. I use a torque wrench to get everything nice & even bolting up.
Search around the site - you'll find most every advice you need here.
Cheers
Mike
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