Section 17: Troubleshooting Guide; Section 18: Replacement Parts; Appendix - ProBoat Formula Owner's Manual

Section 17: Troubleshooting Guide

Problem Possible Solution
Engine will not start Improper needle setting: see Zenoah engine manual
Out of fuel: fill fuel tank
Improper fuel: use fresh gasoline & Evolution 2-cycle oil (mixed 32 parts gas to 1 part oil)
Bad spark plug: replace spark plug
Flooded engine: remove spark plug, invert boat and operate the pull-starter to
remove fuel
Engine starts, then dies Fuel line blocked or broken: connect or replace fuel line
Reset needles to baseline setting: see Zenoah instructions
Baseline settings for low-speed and high-speed needle valves is 1–1
Engine starts and runs for Bad fuel: replace
several minutes, then dies Improper needle settings: see Zenoah engine manual
Overheated engine: check for clogged or damaged cooling system
Debris in carburetor: remove, clean and replace

Section 18: Replacement Parts

Your local hobby store should carry a good supply
of Formula Hydro replacement parts. You can also
purchase these parts from Horizon Hobby at
www.horizonhobby.com or call toll-free
1-800-338-4639.
PRB3251 .....................................................................................Hull
PRB3252 ............................................................................. Cockpit
PRB2261 .................................................................Exhaust Cover
PRB3253 .................................................................................. Wing
PRB2255 ......................................................................Wing Struts
PRB3255 ........................................................................ Boat Stand
PRB2297 .................................................. Manifold Cooling Plate
PRB2555 .................................................................. Servo Tray set
PRB2264 ........................................................................... Fuel Tank
PRB2273 .........................................................................Kill Switch
PRB2268 ...........................Throttle Cable with EZ Connector
PRB2556 .....................................................Manifold with Screws
PRB2557 .................................................................Cooling Tubing
PRB2558 ................................................................ Fuel Tank Strap
PRB2559 .......................................................Rudder Pushrod Set
PRB2560 ..........................................................Servo Pushrod Set
PRB2561 ..................................................... Cover for Radio Box
1 / turns out
4
PRB2562 .......................................................................... Flex Shaft
PRB2266 ...................................................................... Teflon Liner
PRB2281 .............................................................. Prop Drive Dog
PRB2283 .........................................................................Prop Strut
PRB2282 .........................................................................Prop Shaft
PRB2252 .............................................................................. Rudder
PRB2254 ............................................... Turn Fin with Hardware
PRB2259 .......................................................................Pipe Mount
PRB2563 ........................................................................Tuned Pipe
PRB2278 ............................................................ Cockpit Nuts (2)
PRB2288 ......................................................... Nylon Washers (4)
PRB2564 ........................................... Brass Tube for Water Inlet
PRB3256 ..................................................... Rudder Bracket/Arm
PRB2651 .................................................................... Water Pump
PRB3254 ................................................................................Decals
PRB2683 ................................................................................Clutch
PRB2684 ....................................................................Clutch Shoes
PRB2687 ............................................................ Clutch Spring (2)
PRB2688 .................................................................Clutch Bearing
PRB2696 ........................................................................Clutch Bell
PRB0153 ........................................................................... Propeller
PRB2291 .................................................................. Propeller Nut
14

Appendix

PRB2264
Spark Plug
Pull Start
PRB2556
Carburetor
PRB2563
Primer Button
Spark Plug
Pull Start
PRB2556
PRB2651 Carburetor
PRB2563
PRB2254
PRB2273
PRB2275
PRB2283
PRB0153
PRB2252
PRB3252
PRB2278
15