Need help?

Search OutdoorKing-Forum by entering Key Words Below

OutdoorKing Repair Forum Forums Repairs and Maintenance Questions on Walk Behind Lawn Mower Frames Four Stroke Lawn Mower Frames b&s 5hp

Who's Online Now

1 members (Dandare), 1,312 guests, and 410 robots.

Key: Admin, Global Mod, Mod

Online Spare Parts

Online Store

Newest Topics

Victa 24 engine pulleys
by NormK - 19/10/25 08:49 PM

Rover Rancher 1766 headlight lens
by mm-mowers - 17/10/25 05:25 PM

Re rotomo crankshaft.
by Mops Mowers - 11/10/25 07:49 AM

Cox 12HP 09M7 ride on - cutter brake, mystery part
by Doug - 09/10/25 10:55 PM

Rotomo crank shaft
by Mops Mowers - 09/10/25 06:07 PM

Oregon corded chain saw
by NormK - 05/10/25 11:12 AM

Out there cutting again.
by MowingManiac - 05/10/25 10:03 AM

Topic Replies

Cutters not disengaging on old Greenfield ride on mower
by NormK - 21/10/25 04:40 PM

The Rover Pro-Cut Chronicles
by DFB - 19/10/25 09:36 PM

Victa 24 engine pulleys
by NormK - 19/10/25 08:49 PM

Rover Rancher 1766 headlight lens
by NormK - 17/10/25 08:56 PM

Re rotomo crankshaft.
by Mops Mowers - 12/10/25 08:32 PM

Morrison Rapier 710 Advice Please!!
by maxwestern - 12/10/25 07:35 PM

Cox 12HP 09M7 ride on - cutter brake, mystery part
by Doug - 10/10/25 11:01 PM

Rotomo crank shaft
by Mops Mowers - 10/10/25 10:16 PM

Victa 5/26 Pulley configuration
by maxwestern - 10/10/25 07:42 PM

Oregon corded chain saw
by maxwestern - 06/10/25 10:26 PM

Print Thread

Rate Thread

Hop To

Re: b&s 5hp

fred #8164 12/05/08 10:14 PM

Joined: Dec 1999

Posts: 5,386

Likes: 34

Sydney, NSW, Australia

Bruce

Repair Junkie

The reason why it backfires is the valve seats not sealing properly as well as a partly sheared flywheel key.

Regards,

Bruce

Please do not PM me asking for support. Post on the forums as it helps all members not just the individual.

Entire Thread
Subject	Posted By	Posted
b&s 5hp	fred	06/05/08 05:17 AM
Re: b&s 5hp	Bruce	06/05/08 09:32 AM
Re: b&s 5hp	fred	08/05/08 04:51 AM
Re: b&s 5hp	Bruce	08/05/08 11:12 AM
Re: b&s 5hp	fred	09/05/08 09:01 AM
Re: b&s 5hp	fred	11/05/08 10:32 AM
Re: b&s 5hp	Bruce	11/05/08 11:03 AM
Re: b&s 5hp	fred	12/05/08 03:00 AM
Re: b&s 5hp	Bruce	12/05/08 04:29 AM
Re: b&s 5hp	fred	12/05/08 09:04 AM
Re: b&s 5hp	Bruce	12/05/08 11:14 AM
Re: b&s 5hp	fred	13/05/08 01:22 AM
Re: b&s 5hp	Bruce	13/05/08 06:45 AM
Re: b&s 5hp	fred	14/05/08 10:14 AM
Re: b&s 5hp	Bruce	14/05/08 12:21 PM
Re: b&s 5hp	fred	14/05/08 11:31 PM
Re: b&s 5hp	fred	19/05/08 11:19 PM
Re: b&s 5hp	Bruce	21/05/08 08:18 AM
Re: b&s 5hp	fred	22/05/08 01:54 AM
Re: b&s 5hp	fred	29/05/08 09:32 AM
Re: b&s 5hp	MST	29/05/08 11:16 AM
Re: b&s 5hp	Bruce	29/05/08 11:58 PM
Re: b&s 5hp	fred	31/05/08 12:56 PM
Re: b&s 5hp	Bruce	31/05/08 01:46 PM
Re: b&s 5hp	fred	03/06/08 01:23 PM

Moderated by bigted, Bruce, CyberJack, Gadge, Mr Davis

Link Copied to Clipboard

Forum Donation

These Outdoorking Forums have helped Thousands of people in finding answers to their equipment questions.

If you have received help, please consider making a donation to support the on-going running cost of these forums.

October
M	T	W	T	F	S	S
		1	2	3	4	5
6	7	8	9	10	11	12
13	14	15	16	17	18	19
20	21	22	23	24	25	26
27	28	29	30	31

ShoutChat

Comment Guidelines: Do post respectful and insightful comments. Don't flame, hate, spam.

Newest Members

Greenarrow01, stkarl, Stannyboy, yaapeet30, immi1974uk
17,639 Registered Users

Forum Statistics

Forums145

Topics13,009

Posts106,968

Members17,640

Most Online16,069
Sep 19th, 2025

OutdoorKing Showcase

20 Bucks from FB Marketplace
by Return Rider, February 20

Victa Cortina 2 Shed Find
by Return Rider, January 25

My Rover Baron 45
by Maxwell_Rover_Baron, April 16

SHOWCASE - Precision Mowers - 2021
by CyberJack, April 14

SHOWCASE – Atco Rotary – Paul C - 2020
by CyberJack, December 28

HOME |CONTACT US

Responsive Width:

PHP: 8.3.26 Page Time: 0.084s Queries: 17 (0.078s) Memory: 0.6718 MB (Peak: 0.6888 MB) Data Comp: Zlib Server Time: 2025-10-21 16:41:58 UTC
Valid HTML 5 and Valid CSS