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 15 years 2 months ago
by seanx450
12 Replies 12.8k Views
Last Post by seanx450 15 years 2 months ago

Engine dies when boat placed in water

Last Post 15 years 2 months ago
by marc
2 Replies 2695 Views
Last Post by marc 15 years 2 months ago

rmck wont run right

Last Post 15 years 2 months ago
by toadfish
5 Replies 3457 Views
Last Post by toadfish 15 years 2 months ago

Installation of EZ Start on the RCMK?

Last Post 15 years 3 months ago
by ezrider
18 Replies 13.9k Views
Last Post by ezrider 15 years 3 months ago

Twin inline 50cc engines?

Last Post 15 years 3 months ago
by Zitch
7 Replies 9562 Views
Last Post by Zitch 15 years 3 months ago

Irridium Plugs Question?

Last Post 15 years 3 months ago
by Mercury94
6 Replies 3059 Views
Last Post by Mercury94 15 years 3 months ago

WT-929 tuning

Last Post 15 years 3 months ago
by marc
28 Replies 20.4k Views
Last Post by marc 15 years 3 months ago

RCMK EVO PULL STARTER

Last Post 15 years 4 months ago
by Tropheus
9 Replies 6561 Views
Last Post by Tropheus 15 years 4 months ago

Supertigre 3250

Last Post 15 years 4 months ago
by marc
7 Replies 3976 Views
Last Post by marc 15 years 4 months ago

How Old's Your Zen?

Last Post 15 years 4 months ago
by Plasticman
6 Replies 3020 Views
Last Post by Plasticman 15 years 4 months ago

carb specs anyone ?

Last Post 15 years 5 months ago
by road
2 Replies 3010 Views
Last Post by road 15 years 5 months ago

What can I do

Last Post 15 years 5 months ago
by road
12 Replies 7124 Views
Last Post by road 15 years 5 months ago

Engine additives

Last Post 15 years 5 months ago
by adian_ges
3 Replies 2992 Views
Last Post by adian_ges 15 years 5 months ago

RCMK 4 deg Adavance

Last Post 15 years 5 months ago
by Scott
2 Replies 3040 Views
Last Post by Scott 15 years 5 months ago

Ryobi 30cc

Last Post 15 years 5 months ago
by Scott
9 Replies 5653 Views
Last Post by Scott 15 years 5 months ago

rcmk motors

Last Post 15 years 6 months ago
by bnghardy
6 Replies 3187 Views
Last Post by bnghardy 15 years 6 months ago

RE: will not start

Last Post 15 years 6 months ago
by marc
28 Replies 9745 Views
Last Post by marc 15 years 6 months ago

Any thoughts on the Zenoah 270

Last Post 15 years 6 months ago
by Tar18
9 Replies 5473 Views
Last Post by Tar18 15 years 6 months ago

Sx 254 Bearing seals

Last Post 15 years 6 months ago
by Scott
3 Replies 2507 Views
Last Post by Scott 15 years 6 months ago

Returning a Mystery Zen back to STOCK?

Last Post 15 years 6 months ago
by Tropheus
3 Replies 2333 Views
Last Post by Tropheus 15 years 6 months ago

RE: Zenoah Motor Question

Last Post 15 years 7 months ago
by usttraw
4 Replies 2558 Views
Last Post by usttraw 15 years 7 months ago

RE: Scotts RCMK EVO mod write up

Last Post 15 years 7 months ago
by Riggerman
6 Replies 4134 Views
Last Post by Riggerman 15 years 7 months ago

RE: Initial Pipe Length

Last Post 15 years 7 months ago
by usttraw
7 Replies 3256 Views
Last Post by usttraw 15 years 7 months ago

RE: WeedEater help

Last Post 15 years 7 months ago
by Moofy07
3 Replies 2555 Views
Last Post by Moofy07 15 years 7 months ago

RE: RCMK piston swap.

Last Post 15 years 7 months ago
by Ronald Olson
5 Replies 2830 Views
Last Post by Ronald Olson 15 years 7 months ago

RE: Cool Power Blue Oil Ratio

Last Post 15 years 7 months ago
by Redlinemotors
5 Replies 3808 Views
Last Post by Redlinemotors 15 years 7 months ago

RE: rcmk base gasket size?

Last Post 15 years 7 months ago
by damian
5 Replies 2698 Views
Last Post by damian 15 years 7 months ago

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

Last Post 15 years 8 months ago
by marc
12 Replies 7183 Views
Last Post by marc 15 years 8 months ago

EVO cylinder mods?

Last Post 15 years 8 months ago
by Scott
9 Replies 3587 Views
Last Post by Scott 15 years 8 months ago

Shell Nautilus Premium Outboard Oil

Last Post 15 years 8 months ago
by Gone On Racing
7 Replies 10.5k Views
Last Post by Gone On Racing 15 years 8 months ago
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