Many chains have the chain size stamped directly on the chain links.
Chain sizes #'s 35, 40, 41 & 420 are used in the Fun Kart and Mini Bike Industry.
An 11 or 12 tooth clutch sprocket usually indicates the use of # 35 chain.
A 10 tooth clutch sprockets usually indicates the use of #'s 40, 41 or 420 chain.
Make sure you order enough chain, any extra links can always be removed.

Roller Chain
Code: 383
Price: $45.10
Quantity in Basket: none
Code: 384
Price: $35.88
Quantity in Basket: none
Code: 385
Price: $39.88
Quantity in Basket: none
Code: 386
Price: $29.79
Quantity in Basket: none
Code: 387
Price: $28.63
Quantity in Basket: none
Code: 388
Price: $21.88
Quantity in Basket: none
Code: 389
Price: $60.50
Quantity in Basket: none
Code: 390
Price: $79.20
Quantity in Basket: none
Code: 392
Price: $49.75
Quantity in Basket: none
Code: 393
Price: $59.70
Quantity in Basket: none