JRPW Signature Series Pro Clone Engine Package
This is the ultimate in stock class clone engine Horsepower. JRPW has made the investment in research, development, and machinery to insure the highest level of performance. JRPW uses its state of the art machine shop to precisely machine and massage the hand selected internals to the razor’s edge. The JRPW “Attack Series” cylinder head and carb package tops it off. Here at JRPW, we believe in walking all over the line set by the technical regulations, but not across it. Every engine is painstakingly assembled, checked, and double checked to verify every aspect is perfect, then we test and tune on the dyno to quality control. This package is complete with all linkages, sleeved header/ muffler assembly, chain guard, all hardware. We only offer this top level package, nothing else is acceptable. The blower housing and recoil is custom powder coated in your choice of color, standard. JRPW engines set the bar in performance as well as appearance.
JRPW Signature Series Pro Open F92
This is the Big Brother of our Pro Open engine. Same internals and parts, except the block is machined and sleeved to accept a 3” piston. The Honda block is standard equipment here. There is no substitute for cubic inches, and we take full advantage. Gain is about 1hp peak, with increased torque and acceleration. Feel the earth move as you wrestle with this beast.
Color Choice on Engine Shroud
JRPW Pro Open OHV w/ Honda Block
Beginning with the GX Honda Block engine, we completely gut the case and precision overbore the cylinder WAY oversize. The case is machined to accept all the high performance internals we use. The block is welded and braced to add additional support. The head is our fully modified Level 10 with 32mm and 28mm stainless valves and topped with dual valve springs and hp retainers. Compression ratio is calculated and parts are machined to optimize performance. Roller shaft rockers finish the head assembly. Billet crankshaft, billet rod, forged piston, billet crankcase cover, and a billet flywheel are all standard equipment. The package is completed with a blueprinted Mikuni carb, as well as the header/ muffler assembly. This one is definitely not for the faint at heart, as this engine makes in excess of 34 hp. Practice your grip, you will need it to keep this monster under control. This bore and stroke combination is cubic inches.
Briggs LO JRPW Version
JRPW Race Prepared LO This engine gets the JRPW treatment. We expertly perform the valve job, check and set the carb, set the valve lash to our specs, bolt on all the goodies and dyno test and tune. This engine is % legal, but we take full advantage of tolerances and tuning to make big gains over factory stock. Ready to bolt on minus clutch. If a colored slide is required for your division, please let us know. Slide and slide lock is a $25 charge.
JRPW Signature Series BP Clone Engine
This Blueprinted engine is built to the original AKRA BP class rules. Based upon our highly successful Pro Clone package, we take full advantage of the additional upgrades the rules allow. Includes billet rod, improved camshaft and heavy duty valve springs. Topped off with our Attack Series carb, this engines package is ready to go.
JRPW SSA Stock Appearing Clone
JRPW has a supply of these special small block, 3” bore engines. Prepared in the JRPW way, these engines have a special “Attack Series” Level 10 head, “Attack Series” carb, roller rockers, HD pushrods, special cam grind, and all the bolt-ons necessary to make it race ready. JRPW custom machines the internal parts to make this package a reality. Hands down, the most powerful stock appearing for the price anywhere. Choose a color, and give us a call. Further upgrades are possible, contact us for details and pricing.
Alky or Gas
Color Choice on Engine Shroud
JRPW Signature Series Level 5 Modified Engine
For the modified racer wanting a lot of HP at a lower cost, this is a package that makes excellent power and great reliability.
JRPW Limited Modified Animal
WKA/ AKRA/ NKA legal for the Limited Modified class. Ported and polished, Tillotson carb, long rod, Wiseco piston, all part of the package. Includes header assembly and chain guard. Powder coating in your choice of color is included at no charge
JRPW Signature Series Mini Mod Engine
For the budget racer wanting a reliable engine package that packs a mean punch, this is it.
Blueprinted Stock Predator Engine
Blueprinted Hemi Predator Racing Engine. This package is built around the rules packages that require the stock flywheel, stock airbag and stock components. This package includes top plate, fuel pump, weenie pipe, muffler, and chain guard. Please submit your particular rules set to make sure engine is prepared to your rules.
JRPW Pro Open Animal
For the Racers wanting the power and Speed of a JRPW Open but using the Briggs Animal engine as a base, this is for you. The best of everything is here, Mikuni carb, billet components, and expert craftsmanship are front and center, and the result is nothing short of incredible. Bored, stroked, and machined the JRPW way.It’s ready to add liquids and a clutch, the rest is included.
Gas or Alky Fuel
Color Choice on Engine Sheetmetal
JRPW Signature Series Stock Animal
This is the Briggs and Stratton Overhead valve racing engine. Fully blueprinted, ready to perform. We use our years of experience and expertise, coupled with our machining capability to transform this engine from ordinary to extraordinary. Standard procedure here at JRPW is to sort and hand select each piece we use, it is the only way we can achieve the results we both desire. To the limits, thats the way we do it every day. Each engine includes all throttle linkages, sleeved header/ muffler assembly and chain guard. Choose your color, and hold on, we are ready.
Options: Unrestricted, Gold Plate, Blue Plate, Purple Plate
Signature Series Dual Bearing Flathead
Our quality machine work, testing, and experience set this engine apart from the competition. This engine is fully machined, with replacement valve seats and full length valve guides precision honed to size. We weld the lifter bore, angle deck the cylinder, and port and polish for max airflow. We align bore the cylinder and finish hone to exacting clearance. The valve seats are perfectly finished with our Rottler seat and guide machine. We add a pair of blueprinted valves, a pair of perfectly matched valve springs, and top off the cylinder with one of our machined heads. We complete the package by adding one of our signature “Attack Series Carbs”, with its precision machined body, offset throttle shaft, and hand picked internal parts to insure the highest possible airflow. Included in this are a pair of billet lifters, billet rod, and all the go fast goodies we can legally fit inside this powerhouse. Each piece is hand selected to insure maximum horsepower. This engine comes standard with our billet header support, oil vent kit, and a lightweight filter adapter. Restricted class engines also include a max-size restrictor plate. Dyno tested and tuned to meet our highest standards of quality, this engine is ready to bolt on and win. just add oil and fuel. Powder coating is also included at no additional charge.
JRPW Signature Series Stock Appearing
This engine uses the same internals and machine work as our Signature Series Open Modified, just in a stock appearing format. The best of the best, its all there. Topped off with one of our killer Attack Series Carbs. As with all JRPW packages, it comes complete, powder coated, and ready to race, including all bolt ons and accessories. Clone block is used in this build. Honda block is available at an additional cost.
Alky or Gas
Color Choice on Engine Shroud
Mikuni Blueprinted 28MM Carb Kit Clone
JRPW Mikuni Flat Slide 28MM carb kit for the Clone. Comes with intake, filter adapter, and all necessary linkages. Specify Alky or Gas
JRPW Pro Clone Kit AKRA
JRPW Pro Clone Engine Kit is prepared, machined and ready to assemble. We have done all the machine work, gathered all the matching pieces, and put into a kit form. This part number is for the AKRA version with the ported cylinder head. Please specify division.
JRPW Pro Upgrade Kit AKRA
JRPW Attack Series Pro Upgrade kit with AKRA ported head and camshaft. Includes JRPW Attack Series head and carb, gaskets, matched insulator, and timing key. Specify division as well as flywheel model you are using to insure optimal parts choice.
JRPW Big Block Level 10 Cylinder Head
JRPW is proud to introduce their cylinder heads to the big block market. Same expert craftsmanship as our small block heads, just on a larger scale. Fully machined and assembled, this beauty has a 40mm intake valve and a 33 mm exhaust. Includes dual valve springs, retainers and valve locks.$
JRPW Attack Series Level 5 Head
JRPW Attack Series Level 5 cylinder head package. mm intake valve, 25mm exhaust. Fully machined in house. Ported and polished, includes our Signature 3 angle valve job. Assembled with dual valve springs, HD retainers and keepers, it ready to bolt on, add rocker arms and go.
JRPW Clone Cylinder Head Level 5
For the smaller modified engines or the stock appearing engines with smaller carbs, this may be the best choice. An oversize intake valve seat is installed along with a mm stainless valve. Exhaust is a stock diameter stainless valve. Professionally ported and blended, it comes complete with spring package of your choosing, HD retainers and valve locks. $
JRPW Clone Cylinder Head Level 5X
This head is a special model with factory 27/25mm valve seats. JRPW performs their magic to make this a significant upgrade, and tops it off with the valve job to make it all work. The head is fully assembled with stainless valves, your choice of springs, and hd retainers and locks. $
JRPW Open Animal Cylinder Head
Beginning with the the improved Briggs RT-1 casting, we add the JRPW touch. Stock seats are removed and the pockets are machined to accept ”/ ” machined stainless valves. Ported, blended, and decked to our highest of standards, no stones are left unturned in our quest to provide you with the most possible HP. Includes springs and HD retainers, ready to go. $
JRPW Open Clone Cylinder Head Level 10
When all out HP is the goal, this is the only choice. Precision machined with 32/28mm machined stainless valves. Valve bowls are machined and hand blended into the runners. As with all our heads, seats are precision machined on our state of the art Rottler Seat and Guide machine, leaving a perfect 3 angle seat. Air, air, and more air, thats what this head is all about. Decked out and ready to bolt on, includes dual springs, HD retainers and locks. $
3 Welded and Braced Clone Block
3 welded and braced clone block. Welded and braced for strength. Sleeved and diamond finished to exact clearance for piston.
Welded, Braced, and Bored Honda Block
Welded and braced genuine Honda block. Welded in house to add strength and rigidity. Cylinder is bored and diamond finished to exact clearance. Bore sizes available up to
Blueprinted Clone Carb
JRPW Blueprinted Carb for the Stock Clone Classes. Custom prepared to match the needs of your division.
JRPW BP Carb
JRPW machines the internal components and properly jets the carb for your choice of fuel. Same as above but with stock bore size. $
JRPW Attack Series MAXX Carb Gasoline
JRPW Attack Series MAXX Carb for Gasoline. Bored to , machined butterfly and throttle shaft, and race prepared.
JRPW Stock Appearing Clone Carb
JRPW Attack Series Stock Appearing Carb. Available in Gas or Alky
JRPW Stock Appearing Clone Carb
JRPW Attack Series Stock Appearing Carb. Available in Gas or Alky
cc Hp Honda Clone (GX F) Go-Kart & Mini Bike Engine
The cc HP Honda clone go-kart engine is one of the most widely -- if not the widest -- used gasoline engine in the world today. Commonly known as the Honda-clone engine in reference to its initial brand, this design revolutionized the concept of small engines for both motor sports and portable utility equipment.
This go-kart engine is a direct replacement for the cc Hp go-kart/mini bike engine used on the Baja Motorsports Baja Blaster (BB65), Baja Dune (DN65), Mini Bikes MB & MB, & Baja Sand Dog (SD65) and a whole host of generators, pressure sprayers, water pumps, snow blowers, and a thousand other products. Also compatible with most go-karts equipped with Hp engines, including models from Yerf Dog and Hammerhead. See Compatibility tab for details.
This EPA and certified mini bike and go-kart engine is a single cylinder air cooled engine ideal for lightweight applications, including custom projects. With Monster Scooter Parts' convenient inventory of spare and replacement parts, there is no longer any need for the home mini bike or go-kart builder to scrounge second-hand "junk engines" and go-kart parts as was all too often the case in years past.
This Honda GX F clone go-kart engine includes the manual pull start, air filter, carburetor, fuel tank, muffler, and spark plug as shown. Please refer to the Specifications tab for more detailed information. Additionally, see our category pages for specific cc Honda-clone engine parts.
This Hp Honda clone engine may be compatible with many applications using OEM engines that visually look like the detailed picture on the item page. Please ensure this engine will provide the form, fit, and function needed on your custom scooter, go-kart, or portable utility product prior to ordering.
Replacing engine on Baja mb with headlight? Does this engine have charging coils and 3 magnet flywheel?
This engine comes with a standard single magnet flywheel.
If you are wanting to upgrade, our 3 Magnet Flywheel can be found here:
The charging coils can be found here:
I need a replace engine for my grandson's trailmaster mini XRX go kart. It has a cc hp motor. Is this a drop in replacement? Does it support remote throttle/kill/choke? Thanks
This cc HP would be a slightly bigger motor than the cc in your Trail master Go-Kart now. With that being said, as long as it would fit and the 3/4" shaft would work for your clutch then it would probably work. We strongly recommend looking over the specifications provided for this motor before ordering since it's not returnable. Yes, you can also mount a kill switch to it.
What is the the silver thing on the exhaust pipe before the muffler? I have one of the older CTu and it doesn't have that.
That is a spark arrester/eliminator. If the original engine does not contain one and you replace it with this engine, it will not affect functionality as it is more of an environmental safety feature.
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Difference in Clone Engines
Dover Power said:
With the $ difference in engine cost the start with.. Then 3 to 4 times the cost difference in parts sorta puts it in the same boat..
If any racer is going 3 years on a rebuild then he's not seriously racing anyway..
races for alot of my customers is to 2 seasons anyway..
With all of this,, it comes down to maintence and being prepared..
Just think,, a serious racers tire bill far out waves the engines and we haven't even gotten to the tire dope
With todays pricing from the high end builders a OEM Honda would be $$ I doult racers will be lining up for that..
Click to expand
honda engines can be bought for complete.
Honda supports kart racing, so my guess a dealer could delete the tank and muffler and get them cheaper.
There would be little need for a builder if it was spec's that ALL Honda OEM parts had to be used
The cams are identical from engine to engine, so spec the stock cam and put a very tight spec on everything about the cam, Lift, duration, lobe separation, so that would kill the aftermarket cam of the year club, in fact there would be no after market cams honda cams have a part number stamped on them
Honda GX heads have a stock number stamped on them as well and spec it as the only one allowed
Use the same spec on the carb that is being used.
The honda isnt all over the place like the clone
Many animal racers just lap the valves at the end of the season and replace the springs, the Honda would be the same way
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Kart engine go clone
And then Igor finished himself, filling her womb with an abundant stream of sperm. A whole pool of sperm. The whole crotch. and the legs all the way down to the knees became sticky.Clone vs Predator(Predator 212, Hemi 212, Clone 196cc, Go kart racing, Mini bike racing)
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