MGB Engine Clinic

Forum for Engines Only ...
Modifications, Repair help, General engine discussions.
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RCMK 254 EVO AND ZENOAH 260

Last Post 14 years 7 months ago
by seanx450
12 Replies 12.2k Views
Last Post by seanx450 14 years 7 months ago

Engine dies when boat placed in water

Last Post 14 years 7 months ago
by marc
2 Replies 2441 Views
Last Post by marc 14 years 7 months ago

rmck wont run right

Last Post 14 years 7 months ago
by toadfish
5 Replies 3209 Views
Last Post by toadfish 14 years 7 months ago

Installation of EZ Start on the RCMK?

Last Post 14 years 8 months ago
by ezrider
18 Replies 13.2k Views
Last Post by ezrider 14 years 8 months ago

Twin inline 50cc engines?

Last Post 14 years 8 months ago
by Zitch
7 Replies 9251 Views
Last Post by Zitch 14 years 8 months ago

Irridium Plugs Question?

Last Post 14 years 9 months ago
by Mercury94
6 Replies 2796 Views
Last Post by Mercury94 14 years 9 months ago

WT-929 tuning

Last Post 14 years 9 months ago
by marc
28 Replies 19.3k Views
Last Post by marc 14 years 9 months ago

RCMK EVO PULL STARTER

Last Post 14 years 9 months ago
by Tropheus
9 Replies 6348 Views
Last Post by Tropheus 14 years 9 months ago

Supertigre 3250

Last Post 14 years 10 months ago
by marc
7 Replies 3578 Views
Last Post by marc 14 years 10 months ago

How Old's Your Zen?

Last Post 14 years 10 months ago
by Plasticman
6 Replies 2769 Views
Last Post by Plasticman 14 years 10 months ago

carb specs anyone ?

Last Post 14 years 10 months ago
by road
2 Replies 2767 Views
Last Post by road 14 years 10 months ago

What can I do

Last Post 14 years 10 months ago
by road
12 Replies 6424 Views
Last Post by road 14 years 10 months ago

Engine additives

Last Post 14 years 10 months ago
by adian_ges
3 Replies 2710 Views
Last Post by adian_ges 14 years 10 months ago

RCMK 4 deg Adavance

Last Post 14 years 10 months ago
by Scott
2 Replies 2824 Views
Last Post by Scott 14 years 10 months ago

Ryobi 30cc

Last Post 14 years 10 months ago
by Scott
9 Replies 5390 Views
Last Post by Scott 14 years 10 months ago

rcmk motors

Last Post 14 years 11 months ago
by bnghardy
6 Replies 2973 Views
Last Post by bnghardy 14 years 11 months ago

RE: will not start

Last Post 14 years 11 months ago
by marc
28 Replies 8935 Views
Last Post by marc 14 years 11 months ago

Any thoughts on the Zenoah 270

Last Post 14 years 11 months ago
by Tar18
9 Replies 5151 Views
Last Post by Tar18 14 years 11 months ago

Sx 254 Bearing seals

Last Post 14 years 11 months ago
by Scott
3 Replies 2262 Views
Last Post by Scott 14 years 11 months ago

Returning a Mystery Zen back to STOCK?

Last Post 15 years 6 days ago
by Tropheus
3 Replies 2085 Views
Last Post by Tropheus 15 years 6 days ago

RE: Zenoah Motor Question

Last Post 15 years 1 week ago
by usttraw
4 Replies 2321 Views
Last Post by usttraw 15 years 1 week ago

RE: Scotts RCMK EVO mod write up

Last Post 15 years 2 weeks ago
by Riggerman
6 Replies 3936 Views
Last Post by Riggerman 15 years 2 weeks ago

RE: Initial Pipe Length

Last Post 15 years 2 weeks ago
by usttraw
7 Replies 3005 Views
Last Post by usttraw 15 years 2 weeks ago

RE: WeedEater help

Last Post 15 years 3 weeks ago
by Moofy07
3 Replies 2307 Views
Last Post by Moofy07 15 years 3 weeks ago

RE: RCMK piston swap.

Last Post 15 years 3 weeks ago
by Ronald Olson
5 Replies 2625 Views
Last Post by Ronald Olson 15 years 3 weeks ago

RE: Cool Power Blue Oil Ratio

Last Post 15 years 4 weeks ago
by Redlinemotors
5 Replies 3578 Views
Last Post by Redlinemotors 15 years 4 weeks ago

RE: rcmk base gasket size?

Last Post 15 years 1 month ago
by damian
5 Replies 2497 Views
Last Post by damian 15 years 1 month ago

Questionning Jennings! - Slanted Ports VS Straight-In Ports!

Last Post 15 years 1 month ago
by marc
12 Replies 6534 Views
Last Post by marc 15 years 1 month ago

EVO cylinder mods?

Last Post 15 years 2 months ago
by Scott
9 Replies 3328 Views
Last Post by Scott 15 years 2 months ago

Shell Nautilus Premium Outboard Oil

Last Post 15 years 2 months ago
by Gone On Racing
7 Replies 10k Views
Last Post by Gone On Racing 15 years 2 months ago
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