Chain

sisdavid

New Member
Mar 31, 2008
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Daytona Beach
Is it correct to say that our 2 stroke engines have a 415 chain and it is the same pitch as a regular bike chain just bigger, and that there is one at tractor supply place. and if so which chain is it?
 

HoughMade

New Member
Apr 15, 2008
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Valparaiso, IN
#41 from Tractor Supply- or any number of small engine shops.

A regular bicycle chain has a pitch of 1/2" which is the same as 415 or #41.
 

Bikeguy Joe

Godfather of Motorized Bicycles
Jan 8, 2008
11,843
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up north now
The guys here have been buying #41 Chain at TSC.

When I looked it up on the Azusa site, they say a #415 was also #42.

If you can't take your sprocket to physically check it, I'd go with the #41.

TOMORROW, I am taking my sprocket to the TSC and checking the #42 they have there as well as the #41....I will post a full report tomorrow evening.
 

misteright1_99

New Member
Mar 21, 2008
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Treasure Coast, Florida
I did change over to the #41 chain, and it is wider (loose from side to side). I have riden approx 50 miles so far with no problems. It seems to be a better quality, and with the tensioner I installed much quieter.
 

toytime

New Member
Mar 20, 2008
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Ontario
Most bike shops can order a KMC "freestyle" extreme 1/2 x 3/16 that is made for BMX bikes.
It'a a "K415H and is colored silver. Only thing is that it comes with 98 links and is about four links short.(for my bike)
 

sisdavid

New Member
Mar 31, 2008
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Daytona Beach
Can't wait for the report on the chain! Bike guyjoe sounds like you are trying to say that a small engine shop will have a chain that will fit our bikes and that it is the #41 but there maybe one even better and it is a #42 hope that is what you are saying. Can't wait.
 

paul

Well-Known Member
Dec 23, 2007
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Kalamazoo, MI
i am also using a #41 from tsc and have alot of miles on it and very happy with it. plus i can get 2 plus chains out of it for 14 bucks and also master links are readily available. most motorized bicycle sprockets wabble just a little on the spokes and i think the little bit of movement allowed is actually a good thing
 

Bikeguy Joe

Godfather of Motorized Bicycles
Jan 8, 2008
11,843
235
63
up north now
I'll report back with my findings later today...the #42 should fit PERFECTLY since it's 3/16" the same as the 415. I have been meaning to do this since last year, but folks started using #41 and seemed happy, but I just have to know!
 

Bikeguy Joe

Godfather of Motorized Bicycles
Jan 8, 2008
11,843
235
63
up north now
Well, here's the deal...I went all ove rtown trying to find #42 chain to no avail.

TSC has #40 which fit the sprocket as well as #41, but they don't sell # 42 any more.

So, for now, #41 it is.
 

Bikeguy Joe

Godfather of Motorized Bicycles
Jan 8, 2008
11,843
235
63
up north now
#420 is the same SIZE as #41, but it's twice as strong in tensile strength and a little heavier per foot.

#40 is even wider than #41 so, I wouldn't use that.

#415 is the same size as #42.