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Stage 1 - Race Ready New Engines

Race prepped to QMA Specs including removal of governor, rotating gear box, shortening starter cup, removal of fuel tank mount bosses (only if requested), removal of valve oil seal, and adding proper jet. All you need to do is add engine and gearbox oil. (GX160's get 140 Springs) Motors may have either black or red fan shrouds.
GX120   NRGX120S10 $419.00        
GX160   NRGX160S10 $449.00        

Stage 1.5 Special Prep Race Ready New Engines

Stage 1 plus adjust all external settings for Maximum Performance. Includes air filter adpater
GX120 Stage 1.5   NRGX120S15 $459.00        
GX160 Stage 1.5   NRGX160S15 $489.00        
GX120 Stage 1.5 Dyno Tuned   NRGX120S15D $489.00        
GX160 Stage 1.5 Dyno Tuned   NRGX160S15D $519.00        
Special 120 Novice Package
Package especially for novices just starting out. This package includes the following

GX120 Stage 1 QMA Legal Engine, Tanner or Hunter Linkage, Air Filter and Adapter, Novice Exhaust Pipe, Valve Cover with Nipple, Engine Hub, 36 Engine Gear, and Engine Bolt Kitl.  Everything needed to install your engine.

GX120 Novice Package   NOV120S1P $599.00        
GX120 Novice Package Dyno Tuned   NOV120S1PD $649.00        

Stage 2 Performance New Engine

Stage 1 motor that is partially disassembled. Head is removed and valves are lapped in (Valves are pressure tested). Special attention is paid to the head specs and head is replaced if it does not meet NR specs. Carb is flowed and all external settings adjusted to produce best power.  Includes air filter adpater. QMA Legal (note: short block is not disassembled)
GX120 Stage 2 Dyno Tuned   NRGX120S20D $599.00        
GX160 Stage 2 Dyno Tuned   NRGX160S20D $629.00        

Stage 3 - Extreme Performance New Engines

Stage 2 Motor that is completely disassembled, inspected, parts replaced if needed, and reassembled with special attention to insure maximum performance. Special attention is paid to the crankshaft, head, and cam specs ( replaced if it does not meet NR specs). Carb is flowed and all external settings adjusted to produce best power. Motor is run on dyno for a minimum of 2 hours. All major specifications check to QMA). Most HP & Torque possible using QMA specs. All stage 3 engines are fully dyno tuned. Includes air filter adpater
GX120 Stage 3 Dyno Tuned   NRGX120S30D $699.00        
GX160 Stage 3 Dyno Tuned   NRGX160S30D $729.00        
Stage 4 - Special Performance New Engines
This is a stage 3 engine that has been assembled from parts. Starting with an HX2 block we pick the best rods, cranks, pistons, heads, etc to squeeze out every oz of HP. All parts are either OEM Honda service parts or New take Off Parts for HX2 engines (QMA Legal). In some cases, used parts may also be used.  Engine is then run a 8 to 10 hrs on a stand/dyno. These engines are in limited quantities and have long lead times. Includes air filter adpater
GX120 Stage 4 Dyno Tuned   NRGX120S40D $999.00        
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GX160 Stage 4 Dyno Tuned   NRGX160S40D $999.00        
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SPECIAL EDITION 120/160 PACKAGE- Includes Black Fan Shroud, Gold Linkage w/bearing, Gold Air Cleaner Adapter, Air Cleaner, Valve Cover with nipple, Gold Exhaust Cover, and Gold Decals. LIMITED QUANTITIES  (add to any 120 or 160) SE120160 $80.00        
 
Rebuilds
All rebuilds are to QMA specifications and include rings, valve springs, and gaskets where needed. Other parts are at additional charge
Stage 1 - Stock Rebuild     $149.00        
Stage 3 - Performance Rebuild, check to/record specs, and Dyno     $299.00        
Engine Evaluation - Perform Leak Down Test, Compression Test, Dyno Motor     $79.00        
Top End Rebuild and Evaluation - Perform Leak Down Test, Compression Test, Check cam Specs, Rebuild Cylinder Head to performance spec, Dyno Motor     $149.00        
 

Options

QMA Air Filter and Adapter (style and color may vary)   $25.00        
Premium Throttle Linkage (Hunter or  Tanner style) installed   $45.00        
Quick and Easy Linkage Kit   $15.00