modded

Here is my motovox mbx10 build. Perfect spot for the gas fill!!! New seat. Old one was cracked. All new controls Including Hydraulic Brakes. Here is how I modded the original tank to work. All I did was bend the original mounting brackets 90 degrees and bolted them to a old scrap piece of...

So my engine is further modified and has blow-by smoke and oil coming out of the exhaust. At first the engine had a HUUGE amount of blow-by you would swear James Bond him self came by with his smoke screen. So I used the governor hole as a vent,drilled it open just a tad more, and the...

Happy New year to everyone in the forums helping out us MiniBike enthusiast, For my first engine build I have decided to go with a Briggs 5hp Flathead from an industrial fan. I am sure there are a couple of threads on flathead builds on this forum already. Although all are great, I still have...

I thought I would share my bikes current state. I have been focused on modding it rather than making it look pretty. Once I am done I will give some new paint. BTW this was a $125 craigslist find. My list of mods include... Predator Hemi 212cc w/under the seat header and RLV Muffler Frame...

Wondering if anybody has ever modified a Kohler SH265 or CH270? I just picked up a SH265 and was wondering where to find performance parts and if clone/predator parts may be interchangeable. If anyone has ever modded one of these new Kohlers please let me know. Thanks.

I have modded a predator 212 to drag race at my local track. Mods include fuel pump, billet flywheel, billet connecting rod +.020, mod 2 cheater cam, 18lb springs, high flow carb, air filter, aftermarket header and RLV muffler. The problem I am having now is that everytime I rev up the engine to...

Well seeing videos of these things gave me the itch ! Tube frame from scratch , 20" bmx front end , lightly modded Predator , color scheme and seat style still undecided !

I see the aftermarket or modded carbs are available in .615, or bored to .625 etc. With a digital caliper, the engine side of my stock Hemi carb measures .745 or 18.9mm. What am I missing? I'm replacing a 120cc 4.5hp yamaha engine (kids snowmobile) that currently uses an 18mm carb which is...

hello, i am in the middle of building a modded 212 pred, and was curious on what the torque specs are for modded engines. i read the thread about torque specs but you guys say not to use the same for a modded engine. so what i need to know is how much ft/lbs torque for the following...

Just wanted to post a project I am just about done with. This was originally an Eton Viper with a 70cc engine(or was it 90?). Album Link Things I did: -Remove old 2stroke engine, wiring crap -Added your garden variety Harbor Freight 212cc predator engine -Hilliard Extreme heavy duty clutch...

In your opinion how long would a modded engine last. With these mods (fly wheel arc rod isky cam 26lb springs and push rods) (years months weeks):sailor:

Album of higher resolution photos Build List: Motovox MBX11 MBX10 Fenders MBX12 Seat Hydraulic Rear Brake Carlisle 15x6.00 Tires Predator 212cc PMR Jackshaft PMR Stage 2 Kit

if this doesnt sale quick, will be used on the project predator roller (if that doesnt sell, lol)... brand new hemi shortblock, missing starter recoil (gave that to a youngster last time i was in LA)... hemi head, fully ported by NR Racing (very little usage on this before switching to an F&B...

Has anyone modded a 4hp Briggs? I have a 1973 4 horse with low compression. Going to rering it, do a valve job, dual valve springs, 94ss cheater cam, tillotson HL357 and a header. Should be pretty spunky with a good clutch

Guys new to the forum I've searched but I just need some thoughts .... I use my mini bike for 100ft drags and has completely stock 212cc geared really good for 100ft I'd say it's maxed sperm is a little over a 100ft so when I raced it this year it was perfect won the 4th round against 15 other...

First things first here are the mods: 14cc head milled .030 .010 head gasket ported and polished 27mm & 25mm ss valves Locks and keepers 1/4" pushrods Champion shaft rockers 50# springs Black mamba cam Arc rod and flywheel 12° timming Flat top piston 22mm Mikuni no air filter Running turbo...

Hey guys, what size main jets and idle jets are you running on your modded Briggs 5hp FH's? Just so I can get an idea on where to start. Thanks. :thumbsup:

Totally re-done, brand new 212 cc clone engine, new Max-Torque clutch, new band brake, new chains, Dayton bearings & billet pillow block mounts, brand new 16" wheels with 10" rims {final gear ratio is currently 5.25}, new sprocket, new steel fenders, new seat, new shocks, added rear footpegs...

Completely rebuilt 5 HP Briggs & Stratton engine. Block was blasted & honed, good port job, milled head, great little cam, Tillotson HL314 gas carb, new breather and tube, billet aluminum throttle cable mount, Candy Apple Purple powder coated tins and all stainless bolts. Engine only has break...