Chain measurement after first 415 miles - Triumph Bobber Forum
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post #1 of 16 (permalink) Old 04-01-2017, 02:10 PM Thread Starter
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Chain measurement after first 415 miles

I very carefully measured the chain slack at its low and high point.
with top chain tight I came out with a 1.5" slank measurement - after first 415 miles of conservative riding.

This is my first time measurement. I tried to use the spot on the chain that had the most movement but was still readily accessible.
Manual (p.79) says chain slack should be 1.02 - 1.3 inches (22mm - 33mm) so I'm over at around 38mm.

As a side note. These wrench sizes would seem to do the trip for tightening the chain - adjuster bolt and lock nuts.
wrenches for chain adjust: 1 1/16", 11mm, 12mm (not perfect but std sizes
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post #2 of 16 (permalink) Old 04-01-2017, 06:01 PM
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Doesn't have to be perfect, whichever wrench size works. This is a reminder that we should probably check our chains after the break in period in case it's too slack.
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post #3 of 16 (permalink) Old 04-02-2017, 08:09 AM
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I wonder if Triumph checks this at the 500 mile break in service. And I guess I need to by that fancy measuring tool.
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post #4 of 16 (permalink) Old 04-02-2017, 10:45 AM Thread Starter
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lol..the fancy measuring tool is a cheap plastic caliper of course.
make sure you get one that will measure 6".
Harbor freight has one $2.99. Amazon has similar prices.
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post #5 of 16 (permalink) Old 04-02-2017, 10:59 AM
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Quote:
Originally Posted by muensterDeath View Post
I wonder if Triumph checks this at the 500 mile break in service. And I guess I need to by that fancy measuring tool.
Yes, they are supposed to check it.
I have moved my service forward to Tuesday and i will ask the mechanic to measure the slack (i have CANED my bike from day 1 with no mechanical sympathy, apart from a good warm up). My chain is quite saggy!
Going to put Motul 300V engine oil - as have used this with great results on every bike i have owned.
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post #6 of 16 (permalink) Old 04-04-2017, 12:26 PM
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Probably best to get your own plastic caliper and periodically check the chain slack in case it's a recurring problem after a certain amount of miles.
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post #7 of 16 (permalink) Old 04-04-2017, 12:46 PM
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Probably best to get your own plastic caliper and periodically check the chain slack in case it's a recurring problem after a certain amount of miles.
I´ll do no such thing.
I would not dream of taking work away from the mechanic
(my lack of wanting to bend down and get my hands dirty could also be something to do with it ...)

Last edited by eisen77; 04-04-2017 at 12:52 PM.
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post #8 of 16 (permalink) Old 04-04-2017, 07:10 PM
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When you say you caned it, you didn't do the 500 mile engine break in? (No full throttle, keeping under 4000rpms, etc)
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post #9 of 16 (permalink) Old 04-05-2017, 01:51 AM
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I do not adhere to the books break in period rules.
Never have on any bike i have owned (except fragile 2 strokes).
I break the bike in by riding it like i would on ANY given day & try to do alot of windy, undulating roads + city riding so i can use every gear and most of the rev range during the first 1000km.
Warming up the bike (golden rule - before EVERY first ride), bedding in the brakes & acclimatizing to the bike itself are all very important. But nannying the engine and revs....??? Never.
I also use the best oils available and usually service my bikes before the required time.
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post #10 of 16 (permalink) Old 04-22-2017, 01:41 PM
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Quote:
Originally Posted by eisen77 View Post
I do not adhere to the books break in period rules.
Never have on any bike i have owned (except fragile 2 strokes).
I break the bike in by riding it like i would on ANY given day & try to do alot of windy, undulating roads + city riding so i can use every gear and most of the rev range during the first 1000km.
Warming up the bike (golden rule - before EVERY first ride), bedding in the brakes & acclimatizing to the bike itself are all very important. But nannying the engine and revs....??? Never.
I also use the best oils available and usually service my bikes before the required time.


I agree, I like to to to add some short rides, let the bike cool down and do it again. The rings will seat just fine even with full synthetic oil. I don't abuse my bikes but if you baby them around they will never run as well as if you just ride them and vary RPM's. I try and keep the RPM' s under the rev limiter first 500 miles. Change the oil get the metal out and ride em...
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Last edited by Olecharlie; 04-22-2017 at 01:42 PM. Reason: Spelling
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