Mad Scientists Lair [Archive]

Exhaust pics atc250r 1st 2nd Gen pipes pics (0 replies)
Independent rear suspension road legal Honda 200m (1 replies)
'84 200x carb slide options... (1 replies)
Correct clutch pattern (4 replies)
Hondaline ATC250es Cargo Net (0 replies)
its that time again, ATC70 BUILD COMING. (18 replies)
ATC Steering Stem Swaps? (5 replies)
Valve adjustment issues (5 replies)
Predator Swap (2 replies)
Turbo ATC200X... Go-Kart (6 replies)
Best frame for the job (0 replies)
87 200x Clutch Question (15 replies)
1983 250r airbox hose (0 replies)
What is it ? Help (1 replies)
Mini-R project (29 replies)
Locked up 85 atc 70 tranny. (2 replies)
New Pipe for the 250R! (25 replies)
Extreme Pipe Repair??? (0 replies)
Best cold starting but no starting when hot and eats plugs (2 replies)
need help for choose my carb for 84200m with wiseco 10.25 /1 (0 replies)
200s Build (2 replies)
Chain Alignment (4 replies)
External Oil cooler atc185s case? (2 replies)
1986 TRX/ATC Expansion Chamber Question (1 replies)
Mini Bike trike (0 replies)
mudproof air intake gen 1 aircooled suggestions? (0 replies)
EFI on an ATC?? (11 replies)
Honda engine parts interchangeability (1 replies)
200cc engine build...... (5 replies)
Positive Crankcase Ventilation (1 replies)
Hand shifter (1 replies)
Single wheel pull conversion. (10 replies)
200cc engine case swapping (1 replies)
LiIon batteries for our ATC's (20 replies)
ATC 200 intake manifold (4 replies)
1985 Tri-z is done, Inverted forks, top gas tank, etc etc (13 replies)
Honda ATC200 & Kawasaki 220 Bayou (0 replies)
Project Loose Fillings AKA The Goblin (93 replies)
The " Honda Blast" (9 replies)
Engine swap: Kick starter conundrum. (4 replies)
Porting the ATC200 for the dumb (like me!) (2 replies)
Wiring up a reverse light. (3 replies)
1986/87 Honda 200x headlight “shells” (31 replies)
Turbo’d Honda 200 (16 replies)
85 200x mx suspension questions (8 replies)
BW350R RD350 Fat Cat project (1 replies)
sand casting/aluminum-projects (76 replies)
Aftermarket boost bottles, proven snake oil (2 replies)
Air cooled engine options for 350x. (5 replies)
Time for another build.. Honda Fat Cat ATC conversion (3 replies)
ATC 70 to Lifan 110 conversion (1 replies)
Conversion question!? (7 replies)
1985 200x Missile (9 replies)
nylatron swingger bushings (2 replies)
Alt 185 with suspension? (8 replies)
broken tab on clutch side (1 replies)
1st or 2nd tecate rear (2 replies)
Short track kit...........NOT......but cool (0 replies)
Ytm 200 axle swap. (3 replies)
Ytm 200 forks replaced. What forks are these (8 replies)
Ytm 200 front rim/tire. (3 replies)
Another peoject finished! (7 replies)
ISO Dirt Wheels article for Ascott 500 Head Install (30 replies)
90/110 aftermarket frame build (7 replies)
350x ATC rear upgrade. (5 replies)
inverted fork kits for 85 350x and 85 250r ATC's (7 replies)
"Little Impostor" mini I'm working on... (24 replies)
250R short track tank surgery. (13 replies)
CBR trike........?? (9 replies)
pitbike build thread info wanted (5 replies)
Backward trike on facebook (1 replies)
200s project: to hybridize or not to hybridize? That is the question! (4 replies)
blurry carb pic (2 replies)
Gsxr 600 engine for my KLT 250 (31 replies)
Looking for pics atc90/110 double roller cam heads (1 replies)
New transplant (0 replies)
Custom intake boot project (6 replies)
How many have done a Lifan swap to ATC70. (27 replies)
200x Swingarm questions.......... (9 replies)
My on going project. (8 replies)
Honda line tachometer, canister repair. (63 replies)
atc70, need creative gas cap (18 replies)
Cbr250x (12 replies)
KFX 450R transplant to a Tecate (13 replies)
who has a tube bender whom would like to help me with a project? (5 replies)
PROJECT peewee (74 replies)
Suzuki Madness (58 replies)
Arctic cat powered trike (0 replies)
To Catch A Tiger By Its Tail . (5 replies)
Tri moto brake cables? (3 replies)
Working on a swingarm again for the first time in a while. (1 replies)
No Oven Powder Coating (7 replies)
diesel 200e? (12 replies)
Diesel bike? (17 replies)
New project (20 replies)
How to reproduce parts. (107 replies)
So I had all these spare parts lying around..... (3 replies)
My overseas ’84 480R build (14 replies)
200x+250es+klf300=? (26 replies)
Advice on making a seat pan for 82 185S (8 replies)
tri z 426 build (1 replies)
atc 500r (8 replies)
ATC 600X Build Specifics (64 replies)
Free-wheeling hub for ATC250ES (21 replies)
81-82 swing arm ball joints? (1 replies)
Need help with my 74 atc90 k2 (0 replies)
86 250R footpeg adapters? (0 replies)
Inverted forks for the 250R (1 replies)
86/87 Kawasaki Tecate Ram Air Front # Plate (6 replies)
question about 85 atc 110 rear axle carrier (2 replies)
Chinese 200 head (3 replies)
Q yt175 crancase volume and tune (4 replies)
front fork idea (6 replies)
Honda 200E Reverse (8 replies)
Swapping in a TRX300 engine into a 250ES (10 replies)
Parts interchange (2 replies)
350x clutch hop up (8 replies)
YTM 225dr Re-jet...... (0 replies)
ktm 300 exc... how much horsepower? (0 replies)
1986 honda 250sx rides very rough (2 replies)
200 12:1 Piston-Blown Head Gasket (5 replies)
CR450R motor in a second gen 250r? (1 replies)
250sx engine question (1 replies)
anyone put a xr400 motor in a 200x? (8 replies)
KTM 640 conversion (12 replies)
oil (0 replies)
Not your standard Jetting question. (9 replies)
Gas tank (0 replies)
atc 70 problems (3 replies)
Best 350x engine combo (7 replies)
HELP: 350x seat gussets (2 replies)
welding tripples (2 replies)
Early 80s Honda XR500 motor in a 02 Honda 400ex frame? (0 replies)
83 200e winch mount (0 replies)
Where can I find a metric steel BUNG? (6 replies)
96mm 350x pistons (23 replies)
atc 250f? (15 replies)
Just finished another 250r swingarm (11 replies)
Air box/Filter on 85 YTM225dx... (2 replies)
homemade skid plates (0 replies)
I got a spare YTM200 frame... (0 replies)
YTM200ERN Front end swap (1 replies)
trx200/200es wsap (5 replies)
Inline Twin Two Stroke (16 replies)
350x exhaust help (1 replies)
What would be the best engine for my 90? (3 replies)
Rear Fender Mystery? (3 replies)
1st gen 200X oil cooler install...UPDATE PART III ..Done!! (24 replies)
85 200X swingam bolt/adjuster alternatives (4 replies)
350x front wheel on a 250sx (4 replies)
350x 12:1 piston help (8 replies)
350X performace upgrade (2 replies)
engine mods (2 replies)
can you turn an automatic into a manual? (2 replies)
85 kxt 250 drag trike (6 replies)
Fat Cat (5 replies)
crf250r atc (0 replies)
350x rocker issue (6 replies)
XR500 cam in a big bore and stroked 350x?????? (5 replies)
83 atc 185s with 200x forks? (1 replies)
What is it worth?????? (6 replies)
Big Red motor upgrade question? (11 replies)
more power (6 replies)
would honda 200s forks fit a 70frame?? (3 replies)
YZ 490 trike project (33 replies)
TRX250R Airbox Install on ATC250R (16 replies)
What is a tpc (3 replies)
Another custom Swingarm build! (4 replies)
Blaster rear caliper on my 87 x (15 replies)
1985 250sx help (0 replies)
Just picked up 85 and 86 250sx what can i do to them (9 replies)
84 200es Big Red - The Begining (8 replies)
crf450 forks on 86 atc 250r possible? (3 replies)
another version of laydown motor,lay up!!! (38 replies)
250/ATC500 parts questions, radiators, forks, more (5 replies)
84 cr500r in an 84 200x (80 replies)
PV TRI Z question (6 replies)
mini hill climb atc 75 (22 replies)
custom yt175 rear suspension (2 replies)
Turning radius?? (2 replies)
1983 185s rear suspension (7 replies)
tracks for honda 3 wheelers (9 replies)
will an 86 t3 swinger fit on a 85 tecate? (0 replies)
Cast iron gear repair on the shops 1932 South bend lathe. (22 replies)
Honda 200x rolling chassis, 250 Gio Engine (3 replies)
Poll: Cool Head Cooling: What do you think? (18 replies)
Custom Fenders, Foots pegs, and Mud flaps. (7 replies)
Getting her running (1 replies)
pics of my 500R (46 replies)
atc 200 suspension (5 replies)
200x 2 wheel conversion (4 replies)
Putting Suspension on a pre-rear suspension ATC? (4 replies)
question about my 185 (2 replies)
Swinger options for first gen Atc250r? (5 replies)
Best MX Suspension Mods for an 85 250R?????????????? (8 replies)
ATC 70 + Powerwheels = electric ATC 70 (15 replies)
Building a Three Wheeler, need a little help. (14 replies)
Banshee trike builds (15 replies)
Another 250R swingarm fab job (18 replies)
Building A TPC (84 replies)
tecate (4 replies)
trx swingarm on a crf450r (15 replies)
05 crf450r motor in an 85 250r atc rolling chassis (3 replies)
ATC 250R - Wider Footpegs (26 replies)
185s with 200x carb, what year/model intake manifold do I need? (1 replies)
listen Billy (11 replies)
TPC post??? (2 replies)
200x motor swap (2 replies)
Discussion on cool head cooling. (46 replies)
MY BUILD - 450R swinger on a 350X and a 250R frontend too......IT RUNS!!!! (143 replies)
200x restarting issue (3 replies)
350x Spark Arrestor (0 replies)
200 atc oiling (3 replies)
pneumatic ride height adjustment (0 replies)
hydrostatic drive (3 replies)
a question, (200x related) and my mad scientist quad submission (13 replies)
My new bigwheel! (8 replies)
Gen 1 250R ideas for replacing missing frontend (10 replies)
atc1000rr (10 replies)
Something new cooking up in the mad scientists lair... (76 replies)
110/125m frankenbuild (2 replies)
aluminum wheels on a atc200m (0 replies)
Sprock 350X Bigbore ride report 8/ 15 / 10 (12 replies)
Help please (0 replies)
tecate 500 project (11 replies)
Anyone use an SX driveshaft in a Big Red? (0 replies)
jetting after boring cyl (2 replies)
head question! (4 replies)
Suspendie 70 Triple trees. (10 replies)
80 185 seat mods (1 replies)
Need help with a possible build. (8 replies)
Reinventing the fork (14 replies)
Anyone ever put a Yamaha yfm 350 motor on a 225 dx frame? (0 replies)
TRX crank/rod and cylinder with stock SX or ES head? (0 replies)
85 tecate with 86 swinger. (3 replies)
charlies adapter questionla (0 replies)
Anyone replaced 350X engine with a different one? 250x, 300ex, xr600/xr500, ascot 500 (15 replies)
200x top end on a 200 es (2 replies)
Fork modification (0 replies)
How to turn a ATC into an ATV in just a few easy steps.... (33 replies)
frame help (0 replies)
xr650 three wheeler (4 replies)
200es with xr200? (1 replies)
Big Red or SX shock replacement with new model? (1 replies)
YTM 200 cheap mods? what can i do? (0 replies)
250 ninja motorin an 86 250r? too heavy? (3 replies)
Carb Jets for Lifan 140cc in ATC 70 (1 replies)
tecate 34mm mikuni replacement options? (3 replies)
My 83 250r build (1 replies)
250ES - best performance upgrades? (4 replies)