MGB Engine Clinic

Forum for Engines Only ...
Modifications, Repair help, General engine discussions.
Subject Replies Views Last Post

RCMK 254 EVO AND ZENOAH 260

Last Post 15 years 3 weeks ago
by seanx450
12 Replies 12.8k Views
Last Post by seanx450 15 years 3 weeks ago

Engine dies when boat placed in water

Last Post 15 years 3 weeks ago
by marc
2 Replies 2655 Views
Last Post by marc 15 years 3 weeks ago

rmck wont run right

Last Post 15 years 1 month ago
by toadfish
5 Replies 3418 Views
Last Post by toadfish 15 years 1 month ago

Installation of EZ Start on the RCMK?

Last Post 15 years 1 month ago
by ezrider
18 Replies 13.8k Views
Last Post by ezrider 15 years 1 month ago

Twin inline 50cc engines?

Last Post 15 years 1 month ago
by Zitch
7 Replies 9510 Views
Last Post by Zitch 15 years 1 month ago

Irridium Plugs Question?

Last Post 15 years 2 months ago
by Mercury94
6 Replies 3019 Views
Last Post by Mercury94 15 years 2 months ago

WT-929 tuning

Last Post 15 years 2 months ago
by marc
28 Replies 20.3k Views
Last Post by marc 15 years 2 months ago

RCMK EVO PULL STARTER

Last Post 15 years 3 months ago
by Tropheus
9 Replies 6532 Views
Last Post by Tropheus 15 years 3 months ago

Supertigre 3250

Last Post 15 years 3 months ago
by marc
7 Replies 3929 Views
Last Post by marc 15 years 3 months ago

How Old's Your Zen?

Last Post 15 years 3 months ago
by Plasticman
6 Replies 2983 Views
Last Post by Plasticman 15 years 3 months ago

carb specs anyone ?

Last Post 15 years 3 months ago
by road
2 Replies 2978 Views
Last Post by road 15 years 3 months ago

What can I do

Last Post 15 years 3 months ago
by road
12 Replies 7038 Views
Last Post by road 15 years 3 months ago

Engine additives

Last Post 15 years 3 months ago
by adian_ges
3 Replies 2958 Views
Last Post by adian_ges 15 years 3 months ago

RCMK 4 deg Adavance

Last Post 15 years 3 months ago
by Scott
2 Replies 3015 Views
Last Post by Scott 15 years 3 months ago

Ryobi 30cc

Last Post 15 years 3 months ago
by Scott
9 Replies 5614 Views
Last Post by Scott 15 years 3 months ago

rcmk motors

Last Post 15 years 4 months ago
by bnghardy
6 Replies 3170 Views
Last Post by bnghardy 15 years 4 months ago

RE: will not start

Last Post 15 years 4 months ago
by marc
28 Replies 9661 Views
Last Post by marc 15 years 4 months ago

Any thoughts on the Zenoah 270

Last Post 15 years 4 months ago
by Tar18
9 Replies 5416 Views
Last Post by Tar18 15 years 4 months ago

Sx 254 Bearing seals

Last Post 15 years 4 months ago
by Scott
3 Replies 2472 Views
Last Post by Scott 15 years 4 months ago

Returning a Mystery Zen back to STOCK?

Last Post 15 years 5 months ago
by Tropheus
3 Replies 2294 Views
Last Post by Tropheus 15 years 5 months ago

RE: Zenoah Motor Question

Last Post 15 years 5 months ago
by usttraw
4 Replies 2528 Views
Last Post by usttraw 15 years 5 months ago

RE: Scotts RCMK EVO mod write up

Last Post 15 years 5 months ago
by Riggerman
6 Replies 4116 Views
Last Post by Riggerman 15 years 5 months ago

RE: Initial Pipe Length

Last Post 15 years 5 months ago
by usttraw
7 Replies 3221 Views
Last Post by usttraw 15 years 5 months ago

RE: WeedEater help

Last Post 15 years 5 months ago
by Moofy07
3 Replies 2524 Views
Last Post by Moofy07 15 years 5 months ago

RE: RCMK piston swap.

Last Post 15 years 5 months ago
by Ronald Olson
5 Replies 2805 Views
Last Post by Ronald Olson 15 years 5 months ago

RE: Cool Power Blue Oil Ratio

Last Post 15 years 6 months ago
by Redlinemotors
5 Replies 3774 Views
Last Post by Redlinemotors 15 years 6 months ago

RE: rcmk base gasket size?

Last Post 15 years 6 months ago
by damian
5 Replies 2681 Views
Last Post by damian 15 years 6 months ago

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

Last Post 15 years 6 months ago
by marc
12 Replies 7106 Views
Last Post by marc 15 years 6 months ago

EVO cylinder mods?

Last Post 15 years 7 months ago
by Scott
9 Replies 3549 Views
Last Post by Scott 15 years 7 months ago

Shell Nautilus Premium Outboard Oil

Last Post 15 years 7 months ago
by Gone On Racing
7 Replies 10.4k Views
Last Post by Gone On Racing 15 years 7 months ago
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