1986+ Mercury 6/8/9.9/10/15HP 2-stroke Factory Service Manual, Page 276Get this manual

THROTTLE SHIFT LINKAGE (SIDE SHIFT MODELS)
6Hook longer spring end of outer spring behind peg of control lever

aLonger spring endPeg

Installation
1Secure throttle camcontrol lever assembly onto mounting boss of crankcase cover with boltTorque bolt to 7.9 Nm (70 lbin2Connect timing link between ball joints of control lever and trigger assembly

• ATV
• Jet Ski
• Outboard Motors
• Personal Watercraft
• Snowmobiles
• Stern Drives