Bicycle Engine Torque Specs

A breakdown of motorized bicycle torque specs to help you avoid snapping bolts or damaging your motor.

Bicycle engine torque specs. The following table lists general torque specifications for common brands and components. United bicycle institute torque chart component inch pound nm component inch pound nm bottom bracket cartridge chainring bolts body adapter cups steel shimano 435 608 49 1 68 7 shimano 70 95 7 9 10 7 bottom bracket outboard aluminum bearing cups shimano 44 88 5 0 9 9 shimano 305 435 34 5 49 1 hubs. Torque specifications bicycle tutor. A torque table for bicycles.

There are basically three types of torque wrenches the beam type the click type and the dial type. The extra torque of the sprocket is. Motorized bicycle engine kit forum. Torque wrench by giant.

In other words a torque wrench set for 100 in lbs might tighten to 96 in lbs or 104 in lbs. Do it right use this torque guide. Torque specs cover 50cc and 66 80cc 2 stroke motors. We will keep this chart updated so if you want to add information or notice any errors please let us know.

Home forums bicycle motor 2 stroke bicycle engines kits sponsor. This will ensure that there is enough room to install the bike engine. Discussion in 2 stroke bicycle engines kits started by. That torque wrench is a rebranded bike hand yc 617 2s.

Necessary specs for determining the right bicycle engine kit. Torque wrenches available to general industrial work including bicycle work are typically accurate to plus or minus four percent. Don t over tighten nuts bolts.