Hop Up Kit - GX160/GX200 & 6.5 Chinese OHV, Stage 1

Basic kit for improving the performance of GX160, 200s, and Chinese 6.5 Engines. Simple to install, you can expect significant performance increases.

Stage 1 Kit includes:

Race/Open Air Filter & Adapter
Choke Bracket
Correct Jet for application,
22lb Springs
8 degree Timing Key
Small Fan
Valve Cover Gasket

Optional Header/Exhaust
Optional Flywheels
Approx 8.0+ hp for 160s
Approx 10.0+ hp for 6.5s and GX200s

(Note: head gasket is not included)

Aluminum or Honda flywheel recommended. Stock flywheels are prone to failure and very DANGEROUS



Hop Up Kit - GX160/GX200 & 6.5 Chinese OHV's, Stage 2

For those looking to get the maximum performance without opening up the case, we offer our stage 2 kit. Where possible, we only use genuine Honda components to improve reliability and power. Same as our stage 1 kit but with the addition of a bored carb and to produce a solid 10+ hp on GX200s.

Includes:

Race/Open Air Filter & Adapter,
22lb Springs
8 degree Timing Key,
Small Fan
Valve Cover Gasket.
Thin Head Gasket (160 Kits only)
Bored .650 Chinese OHV Carb (Genuine Honda Carb Optional)
Carb gasket

Optional Header/Exhaust,

Approx 9.0+ hp for 160s
Approx 12.0+ hp for 6.5s and GX200s

Aluminum or Honda flywheel recommended. Stock flywheels are prone to failure and very DANGEROUS



Hop Up Kit - GX160/GX200 & 6.5 Chinese OHV's, Stage 3

Now you are getting serious. A set-up from Stage 2 kit, we add a cam and a choice of carburetors. A billet rod and all need gaskets are also included. HP will range between 11 and 14 depending on cam/carb selected.

Includes:

Race/Open Air Filter & Adapter,
Choice of Racing Carbs
Dyno Mod 2 Cam
22 lb springs
8 degree Timing Key,
Small Fan,
Valve Cover Gasket
Carb gasket
Thin Head Gasket (160 Kits only)
Billet Rod (not shown in picture),
Case Gasket
optional Header/Exhaust
Guide plate (Chinese OHVs only)

Up to 14 hp for 6.5s and GX200s (Note: To get maximum power, head should be ported and/or milled.)

252 & 280 Cam package includes Cam, Chrome Moly Push Rods, & Reinforced Rockers.

For Billet rods, we automatically ship Std length on Chinese OHVs and +.020 on Hondas. However, if your prefer, we can ship standard, +.010, or +.020 rods depending on your particular situation. Please specify in comments if you wish a different rod length.

Aluminum or Honda flywheel recommended. Stock flywheels are prone to failure and very DANGEROUS



Hop Up Kit - GX160/GX200, 6.5 Chinese OHV's, Stage 4

Our Stage 4+ kits allows you to customize a kit for your application. The 4+ kit starts with package similar to that of the stage 3 kit but adds a Ported and Milled Head, stainless valves, billet rockers, and a serious cam package. Options include everything from roller rockers to stroker kits. This kit will allow you to build a motor in excess of 20+ hp.

KIT INCLUDES:

Race/Open Air Filter & Adapter,
22mm Mikuni Carb Kit (other carbs optional)
Ported & Milled Chinese OHV Head
1.2 Billet Rocker Arms
Chrome Moly Pushrods
Stud Kit
26 lb Springs,
Lash Caps
Offset Timing Key (not with all flywheels)
Gasket Kit
Billet Rod (not shown in picture), std with Chinese OHVs, .020 with GX200s
Billet Guide plate
Choice of Compression Ratios - Compression ratios based on Flat-Top piston. If a Dished piston is used, deduct approx 1.5 points,
Choice of Cams
Optional Long Rod
Optional Roller Rockers
Optional Flywheels
Optional Crankshaft
Optional Stroker Kit
Honda Kits use genuine Honda 18cc Heads, Clone Kits use 22cc Clone Heads (Honda kits will fit Clone if 18cc head is desired)

Picture is for reference only!!! Actual content based on above description and selections. In otherwords, the flywheel shown is optional!!

Due to the head work involved in these kits, Allow 1 week to ship

Aluminum or Honda flywheel recommended. Stock flywheels are prone to failure and very DANGEROUS