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Piston sizes

Last post by KR-1R « Wed Jun 19, 2019 2:53 am
Replies: 4
by Skinnybob46 » Sun May 19, 2019 8:01 pm

4 Replies

35636 Views

Last post by KR-1R
Wed Jun 19, 2019 2:53 am
Fitting a YZF450 radiator

Last post by RickNC30 « Thu Oct 17, 2024 9:22 am
Replies: 3
by EGG » Wed Jul 10, 2024 2:52 pm

3 Replies

18441 Views

Last post by RickNC30
Thu Oct 17, 2024 9:22 am
Crankshaft seals

Last post by JanBros « Tue Aug 27, 2024 11:32 pm
Replies: 1
by bsa70 » Tue Aug 27, 2024 8:45 pm

1 Replies

3966 Views

Last post by JanBros
Tue Aug 27, 2024 11:32 pm
reeds

Last post by KwakOn « Wed Mar 06, 2024 2:24 am
Replies: 3
by KwakOn » Thu Feb 22, 2024 8:44 pm

3 Replies

7078 Views

Last post by KwakOn
Wed Mar 06, 2024 2:24 am
Billet cylinder head (Ben Ludford)

Last post by JanBros « Mon Oct 16, 2023 3:10 pm
Replies: 3
by DAMO666 » Mon Oct 16, 2023 11:46 am

3 Replies

12550 Views

Last post by JanBros
Mon Oct 16, 2023 3:10 pm
REPAIRING KIPS VALVE STEMS

Last post by 350S2 « Thu Jun 01, 2023 9:51 pm
Replies: 19
by NOSHER » Mon May 31, 2021 8:56 pm
1

2
19 Replies

19173 Views

Last post by 350S2
Thu Jun 01, 2023 9:51 pm
crank output cog

Last post by kinkyfreestyler « Tue May 09, 2023 9:54 pm

by kinkyfreestyler » Tue May 09, 2023 9:54 pm

0 Replies

5573 Views

Last post by kinkyfreestyler
Tue May 09, 2023 9:54 pm
balance shaft

Last post by kinkyfreestyler « Tue May 02, 2023 1:15 pm
Replies: 3
by kinkyfreestyler » Tue Jan 10, 2023 1:58 pm

3 Replies

7458 Views

Last post by kinkyfreestyler
Tue May 02, 2023 1:15 pm
Clutch dragging

Last post by seanyboi « Sat Feb 25, 2023 10:34 pm
Replies: 3
by Stealthquattro » Fri Nov 20, 2020 2:07 pm

3 Replies

8575 Views

Last post by seanyboi
Sat Feb 25, 2023 10:34 pm
1 cylinder intermittent firing

Last post by 2stroke « Fri Sep 16, 2022 3:29 am
Replies: 6
by Skinnybob46 » Sun Dec 09, 2018 9:19 pm

6 Replies

13763 Views

Last post by 2stroke
Fri Sep 16, 2022 3:29 am
Mitaka piston casting defect

Last post by EGG « Thu Jul 28, 2022 5:02 am
Replies: 21
by dirk » Sat May 02, 2015 8:27 am
1

2
21 Replies

27845 Views

Last post by EGG
Thu Jul 28, 2022 5:02 am
Primary side oil seal

Last post by Paul250B « Thu May 26, 2022 8:35 am
Replies: 7
by monkeyrocco » Sun May 08, 2022 8:36 am

7 Replies

9029 Views

Last post by Paul250B
Thu May 26, 2022 8:35 am
Custom thickness base gasket supplier?

Last post by Professor « Sat Mar 19, 2022 6:24 pm
Replies: 10
by stevo135+ » Sat Feb 12, 2022 12:17 am

10 Replies

12115 Views

Last post by Professor
Sat Mar 19, 2022 6:24 pm
REUSING NEW HEAD GASKET

Last post by Paul250B « Mon Dec 06, 2021 11:43 pm
Replies: 2
by NOSHER » Fri Dec 03, 2021 9:09 pm

2 Replies

7792 Views

Last post by Paul250B
Mon Dec 06, 2021 11:43 pm
WHO’STILL RUNNING B PISTONS IN THEIR KR1

Last post by NOSHER « Sat Dec 04, 2021 5:41 pm
Replies: 26
by NOSHER » Sun Jul 11, 2021 12:24 pm
1

2
26 Replies

23115 Views

Last post by NOSHER
Sat Dec 04, 2021 5:41 pm
CYLINDER BASE GASKESTS TO SEAL OR NOT

Last post by NOSHER « Tue Nov 30, 2021 8:42 pm
Replies: 3
by NOSHER » Sat Nov 27, 2021 2:01 pm

3 Replies

7294 Views

Last post by NOSHER
Tue Nov 30, 2021 8:42 pm
GEARBOX SPROCKET RETAINER PLATE NOT LINING UP AND SHAFT HAS GROOVE IS THIS FOR A CIRCLIP

Last post by NOSHER « Sun Nov 21, 2021 10:41 am
Replies: 4
by NOSHER » Mon Nov 15, 2021 9:53 pm

4 Replies

7782 Views

Last post by NOSHER
Sun Nov 21, 2021 10:41 am
Kr1s strip down

Last post by silverhawk « Tue Oct 12, 2021 8:53 am
Replies: 5
by silverhawk » Wed Jan 27, 2021 7:46 pm

5 Replies

9513 Views

Last post by silverhawk
Tue Oct 12, 2021 8:53 am
Resonator chamber

Last post by JanBros « Sat Oct 09, 2021 8:55 am
Replies: 8
by silverhawk » Wed Oct 06, 2021 6:09 pm

8 Replies

10365 Views

Last post by JanBros
Sat Oct 09, 2021 8:55 am
complete engine gasket set compatability fiasco SORTED

Last post by NOSHER « Wed Aug 04, 2021 9:24 pm
Replies: 3
by NOSHER » Sat Jul 17, 2021 10:04 pm

3 Replies

8040 Views

Last post by NOSHER
Wed Aug 04, 2021 9:24 pm
KR1 OR S CRANKCASE STEEL BEARING INSERTS

Last post by NOSHER « Tue Jul 27, 2021 12:56 pm
Replies: 6
by NOSHER » Sat Jul 24, 2021 10:37 am

6 Replies

9525 Views

Last post by NOSHER
Tue Jul 27, 2021 12:56 pm
Question about flywheel differences.

Last post by scooble « Sat Jul 24, 2021 9:12 pm
Replies: 4
by scooble » Sat Jul 24, 2021 7:49 am

4 Replies

8668 Views

Last post by scooble
Sat Jul 24, 2021 9:12 pm
TO LUBE OR NOT TO LUBE

Last post by NOSHER « Mon Jul 19, 2021 8:55 am
Replies: 6
by NOSHER » Sat Jul 17, 2021 6:10 pm

6 Replies

9430 Views

Last post by NOSHER
Mon Jul 19, 2021 8:55 am
KR1 "B" STD PISTON RING SUPPLIER IN UK

Last post by NOSHER « Tue Jul 13, 2021 7:36 am
Replies: 15
by NOSHER » Sat Jul 10, 2021 10:06 am
1

2
15 Replies

15880 Views

Last post by NOSHER
Tue Jul 13, 2021 7:36 am
TORQUE WRENCH ACCESS TO CYLINDER BASE NUTS

Last post by JanBros « Mon Jul 05, 2021 11:36 am
Replies: 6
by NOSHER » Sun Jul 04, 2021 6:27 pm

6 Replies

9701 Views

Last post by JanBros
Mon Jul 05, 2021 11:36 am
Piston ring location Mitaka

Last post by NOSHER « Mon Jun 28, 2021 6:10 pm
Replies: 3
by NOSHER » Sun Jun 27, 2021 8:40 pm

3 Replies

7454 Views

Last post by NOSHER
Mon Jun 28, 2021 6:10 pm
ENGINE DISMANTLING HELP AND INFO PLEASE.

Last post by martin « Fri Jun 25, 2021 8:30 am
Replies: 5
by NOSHER » Thu May 20, 2021 9:34 pm

5 Replies

8562 Views

Last post by martin
Fri Jun 25, 2021 8:30 am
head inserts in original KR1-head

Last post by JanBros « Thu Jun 24, 2021 11:06 pm
Replies: 44
by JanBros » Tue Aug 09, 2011 9:57 pm
1

2

3
44 Replies

51025 Views

Last post by JanBros
Thu Jun 24, 2021 11:06 pm
HOW MANY GASKETS USED AND WHERE ON A KR! ENGINE

Last post by Paul250B « Tue Jun 22, 2021 2:07 pm
Replies: 4
by NOSHER » Sat Jun 12, 2021 8:09 pm

4 Replies

7941 Views

Last post by Paul250B
Tue Jun 22, 2021 2:07 pm
MITAKI PISTON SIZES WHAT DO THE SIZES AVAILABLE REFER TO BORE WISE

Last post by NOSHER « Fri Jun 18, 2021 1:19 pm
Replies: 12
by NOSHER » Sat Jun 12, 2021 8:22 pm

12 Replies

13829 Views

Last post by NOSHER
Fri Jun 18, 2021 1:19 pm
Working out piston crown volume.

Last post by stevo135+ « Sun Jun 13, 2021 9:57 pm
Replies: 4
by stevo135+ » Sat Mar 27, 2021 8:42 am

4 Replies

8310 Views

Last post by stevo135+
Sun Jun 13, 2021 9:57 pm
coolant

Last post by pht9 « Sun Jun 13, 2021 9:21 am
Replies: 4
by pht9 » Sat Jun 12, 2021 5:59 pm

4 Replies

7601 Views

Last post by pht9
Sun Jun 13, 2021 9:21 am
CRANKCASE HALVES SEALANT

Last post by Paul250B « Sun Jun 06, 2021 10:54 pm
Replies: 3
by NOSHER » Thu Jun 03, 2021 12:51 pm

3 Replies

7570 Views

Last post by Paul250B
Sun Jun 06, 2021 10:54 pm
KR1S PISTON RINGS COMPATABILITY WITH B PISTONS

Last post by SP_BOTT « Tue Jun 01, 2021 11:09 am
Replies: 5
by NOSHER » Sun May 30, 2021 7:43 pm

5 Replies

8172 Views

Last post by SP_BOTT
Tue Jun 01, 2021 11:09 am
CRANKCASE HALVES SEALANT TO USE??

Last post by NOSHER « Wed May 26, 2021 10:42 pm

by NOSHER » Wed May 26, 2021 10:42 pm

0 Replies

6101 Views

Last post by NOSHER
Wed May 26, 2021 10:42 pm
Kr1 kr1s piston difference

Last post by monkeyrocco « Wed May 19, 2021 6:33 pm
Replies: 2
by monkeyrocco » Tue May 18, 2021 6:33 pm

2 Replies

7157 Views

Last post by monkeyrocco
Wed May 19, 2021 6:33 pm
The engine only runs at idle and low rpm

Last post by Bertie_Mollie « Fri May 14, 2021 5:26 pm
Replies: 9
by dirk » Thu Apr 01, 2021 10:26 pm

9 Replies

12284 Views

Last post by Bertie_Mollie
Fri May 14, 2021 5:26 pm
The clutch rattles

Last post by dirk « Sun Apr 18, 2021 10:24 pm

by dirk » Sun Apr 18, 2021 10:24 pm

0 Replies

6272 Views

Last post by dirk
Sun Apr 18, 2021 10:24 pm
Starting a tear down. To Nikasil or sleeve?

Last post by stevo135+ « Sun Feb 14, 2021 7:09 pm
Replies: 2
by P1KL3 » Fri Jan 15, 2021 10:20 am

2 Replies

7830 Views

Last post by stevo135+
Sun Feb 14, 2021 7:09 pm
Mikuni TMX 30 re-build help.

Last post by stevo135+ « Sun Feb 14, 2021 1:41 pm
Replies: 12
by stevo135+ » Sun Dec 13, 2020 6:50 pm

12 Replies

14703 Views

Last post by stevo135+
Sun Feb 14, 2021 1:41 pm
Airbox

Last post by silverhawk « Wed Dec 09, 2020 10:36 pm
Replies: 2
by silverhawk » Wed Dec 09, 2020 6:42 pm

2 Replies

7066 Views

Last post by silverhawk
Wed Dec 09, 2020 10:36 pm
Piston ring end gap

Last post by Frunobulax « Thu Nov 12, 2020 2:27 pm
Replies: 2
by Frunobulax » Wed Oct 28, 2020 5:24 am

2 Replies

7601 Views

Last post by Frunobulax
Thu Nov 12, 2020 2:27 pm
Comp test after rebuild

Last post by Simba « Fri Oct 02, 2020 11:07 pm
Replies: 2
by Simba » Thu Oct 01, 2020 9:57 pm

2 Replies

7635 Views

Last post by Simba
Fri Oct 02, 2020 11:07 pm
Is the ignition mod worth it?

Last post by mellorp « Tue Aug 25, 2020 9:51 am
Replies: 12
by solomonheckler » Sat Feb 29, 2020 8:28 pm

12 Replies

16540 Views

Last post by mellorp
Tue Aug 25, 2020 9:51 am
Engine painted parts??

Last post by jarno « Thu Jun 18, 2020 7:14 pm
Replies: 5
by zx12arrgh » Sun Jun 07, 2020 10:40 am

5 Replies

10501 Views

Last post by jarno
Thu Jun 18, 2020 7:14 pm
Vapour or fine grit blasting

Last post by Binetta Steve « Wed Jun 10, 2020 6:03 pm
Replies: 1
by zx12arrgh » Tue Jun 09, 2020 10:20 pm

1 Replies

7612 Views

Last post by Binetta Steve
Wed Jun 10, 2020 6:03 pm
KMX 125 engine re-build.

Last post by JanBros « Wed Jun 03, 2020 12:10 am
Replies: 28
by stevo135+ » Sat Oct 26, 2019 6:20 pm
1

2
28 Replies

35285 Views

Last post by JanBros
Wed Jun 03, 2020 12:10 am
My baby is sick, start on one cylinder only.

Last post by solomonheckler « Fri May 15, 2020 9:01 pm
Replies: 6
by Xirious » Tue Mar 31, 2020 12:25 pm

6 Replies

11195 Views

Last post by solomonheckler
Fri May 15, 2020 9:01 pm
Kr-1s clutch assembly - gear lash

Last post by kiwisteve74 « Sun Apr 19, 2020 9:20 am
Replies: 10
by kiwisteve74 » Sun Apr 12, 2020 7:19 am

10 Replies

14733 Views

Last post by kiwisteve74
Sun Apr 19, 2020 9:20 am
kr1s compression test

Last post by strokerdave250350500 « Sun Apr 19, 2020 7:19 am
Replies: 14
by strokerdave250350500 » Sun Apr 05, 2020 11:01 am

14 Replies

20002 Views

Last post by strokerdave250350500
Sun Apr 19, 2020 7:19 am

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