If you're in need of tech help, refer to our gasket tech tips page.
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Honda CB750 Super Gasket Set
(Race Proven)
"New Version"
Now featuring an oil filter, oil pump
stopper spring, pressure relief spring, oil stopper rubber and oil
filter "O" rings. (At no additional cost!)
Cycle X super gasket sets are a
premium quality cure for age old problems concerning chrome covers,
untrue surfaces, re-torquing
and the need to run to the hardware store
for miscellaneous "O" rings.
Cycle X was the first to put effort, expense and test these modern
gaskets on Honda cb750s.
Head Gaskets:
MLS head gaskets have been around for years. They feature great rebound
and are layered steel with a Viton coating.
Base Gaskets:
Steel with Viton coating.
Side Cover Gaskets:
Alloy with Foamet coating is the same combination used to stop old
Harleys from leaking.
Oil seals and every "O" ring in the motor that most kits do
not include.
Super Gasket Set Includes:
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MLS head gasket available in most bore sizes |
Base gasket available in .010 and .014 thickness |
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Valve cover gasket. (no leak alloy foamet coated) |
Dyno cover gasket (alloy foamet) |
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Trans cover gasket (alloy foamet) |
Clutch cover gasket (alloy foamet) |
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Sump cover gasket (alloy foamet) |
Cam chain gasket (alloy foamet) |
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Oil pump gasket (alloy foamet) |
(4) Cylinder liner "O" rings |
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(8) Valve inspection "O" rings |
(4) Oil feed "O" rings (inner intake cylinder studs) |
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(4) Cam tower "O" rings (under the cam towers) |
(2) Oil line "O" rings (oil lines bolt to the motor) |
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(3) Oil pump "O" rings (oil pump bolts to the case) |
(1) Case "O" ring (between case halves in the front) |
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(4) exhaust gaskets |
(6) nickel plugs (under the cam tower) |
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(8) valve seals |
(3) galley plug "O" rings (oil pressure gauge and galley plugs under the motor) |
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Oil seal set (69-76 with 77-78 counter-shaft seal optional) |
Points, starter and breather cover gaskets |
Note:
Specify STD, 836, 849, 915 or 1000cc for head MLS head gasket.
Cycle X super gasket kits are race proven and are the best money can buy.
ENG-001
$199.95 
Cycle X Race Team Approved
Honda CB750 Oil Seal
1977-78 Honda use this bigger seal around the counter shaft.
You will need this seal if you have a 77-78.
OL-006
$13.99
(Each)
There are many different brands and prices for conventional gasket sets.
Many of these kits are missing items and a few of the gaskets included in these kits should be upgraded.
We have made a "super budget" gasket set, because we do not have a problem with many of the side cover gaskets and "O" rings. On the other hand, we do have a problem with head gaskets and valve cover gaskets offered in conventional gasket kits. We have done extensive testing on all the Honda CB750 SOHC conventional head gaskets to diagnose why Honda CB750's have head gasket seepage. The testing concluded that conventional head gaskets need to be re-torqued.
To re-torque a Honda CB750 head gasket is a major job, and in many cases the motor needs to be removed. Included in our "super budget" gasket set is a modern MLS head gasket and amf valve cover gasket to avoid the heartbreak of a seeping head gasket. We have also added oil seals and miscellaneous "O" rings to complete the kit.
Note: For 77-78 K and F models you will need a different counter shaft seal. (Call to order, let us know.)
ENG-074 $139.00
Honda CB750 Oil Seal
1977-78 Honda use this bigger seal around the counter shaft.
You will need this seal if you have a 77-78.
OL-006
$13.99
(Each)
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Super Gasket Top End Kit Same super quality as the Super Gasket Set, but Top End ONLY!
Super Gasket Top End Kit
Includes: Honda CB750 Oil Seal
1977-78 Honda use this bigger seal around the counter shaft. |
Honda CB750 Super Side Cover Kit
This Super side cover kit is for you
folks that have chromed, polished or powder coated your engine side covers and
do not need a complete gasket kit.
On the other hand, you want the best gaskets money can buy.
These gaskets are alloy with a AFM coating applied. No sealer or shifting the
gaskets to get them in place, they fit perfect.
Kit includes:
Dyno gasket
Trans gasket
Clutch gasket
Valve cover gasket
Sump gasket
Oil seals for the above mentioned covers
Retail cost would be over $110.00
Super side cover kit is $75.00
ENG-001B $75.00
Cycle X Race Team Approved
Call for availability.
Cycle X Complete Gasket Sets
Honda CB750 SOHC
Our Price: $59.95
Sale Price: $53.95
ENG-023
Cycle X Complete Gasket Set and Oil Seal Combo
This combo includes our complete gasket set with all necessary gaskets and "O" rings. Now sold with our oil seal kits also. Everything you need for a complete rebuild.
ENG-024 1969-1976
Our Price: $89.95
Sale Price: $73.00
ENG-025 1977-1978 Gasket
and Oil Seal Combo
(the countershaft seal is different for these years) $99.95
Cycle X High Performance Individual Gaskets
Cycle X Race Team Approved
Cycle X high performance "no leak" and MLS gaskets were financed, tested and
designed for people who want the best money can buy.
Alloy gaskets with foamet coating (no sealer needed).
Gaskets for 69-78' SOHC CB750
What is MLS?
MLS stands for Multi-Layer Steel. MLS
head gaskets are comprised of three layers of stainless steel.
The outer layers
are an embossed viton coated stainless steel providing a superior seal with
excellent rebound characteristics and are corrosive resistant.
MLS head gaskets
reduce bore distortion and withstand extreme cylinder pressures.
 No Leak Oil Pump Gasket ENG-002 $9.95 |
 No Leak Cam Chain Tensioner Gasket ENG-003 $7.95 |
 No Leak Transmission Gasket ENG-004 $19.95 |
 No Leak Dyno Gasket ENG-005 $16.95 Call for availability. |
 No Leak Sump Gasket ENG-006 $19.95 |
 No Leak Clutch Gasket ENG-007 $19.95 |
 No Leak Valve Cover Gasket ENG-008 $24.95 Call for availability. |
 No Leak Viton Base Gasket
Now comes with two dowel pins and two o-rings! ENG-009 $59.95 |
Gasket Identification:
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Read before purchasing our MLS gaskets or any gasket set.
When purchasing Honda CB750 head gaskets, a couple of questions should be to be asked. Early or late? Big drain holes or small?
The above left photo shows an early Honda CB750 cylinder and the arrows show the drain holes from the top end. We call them small for obvious reasons.
The above right photo shows a later Honda CB750 and the arrows show the drain holes from the top end. We are calling them large for obvious reasons. The later cylinder and head gaskets have larger holes because Honda installed 8 dowel pins and 8 tall "O" rings to try to correct head gasket weepage issues.
When using MLS gaskets, our testing showed the 8 dowels and 8 tall "O" rings are not needed because the MLS gaskets work so well. On the other hand, many people were telling us "Well, if Honda did it, it must be right". So, we offer the later head gaskets so people can sleep better at night.
Note:
When installing big bore sleeves, early cylinders are always used
because the larger sleeves leave little to no room for the 8 tall "O"
rings.
With that said, you will not see a "big hole" later model MLS head
gasket in 890cc and above cylinders.
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MLS Later Model Honda CB750 SOHC Head Gasket (69-78)
These later model head gaskets have the bigger holes
for the (8) dowel and tall rubber "o" rings for oil drainage from
the top end. In our opinion, Honda knew they had a problem with
weeping or leaking head gaskets. So they installed these dowels and
rubbers to slow the leakage. Includes 8 rubbers at no extra cost.
Now comes with two dowel pins and two o-rings! ENG-010LATE $69.95 |
No Leak MLS Steel Head Gaskets These MLS (multi-layered steel) head gaskets for Honda CB750 SOHC models were tested, raced and Cycle X initiated the cost of tooling expenses by placing massive orders. These head gaskets, combined with heavy duty studs and nuts, are the solution for weeping head gaskets.
Now comes with two dowel pins and two o-rings! ENG-010 $69.95
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Honda CB750 F2/F3 head gasket note:
These 77-78 F combustion
chambers are oval shaped and regular K model head gaskets that are
sold will not work.
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Conventional Type OEM Gaskets
 Base Gasket Great quality at a great price. ENG-011 $8.50 |
 Starter Cover Combo Gaskets We have combined the starter cover and breather cover gaskets. ENG-012 $8.50 |
 Cam Tower Rubber Nickels ENG-013 $10.00 |
 Valve Inspection Cap O-Rings ENG-014 $8.50 |
Cylinder Base O-Ring We have combined the cylinder sleeve "O" rings and oil drain rubbers for you. ENG-015 $8.50 |
 Dyno Cover Gasket ENG-016 $8.50 |
 Transmission Gasket ENG-017 $8.50 Or, get 4 for $12.00! ($3 each) |
 Sump Gasket ENG-018 $8.50 |
 Valve Cover Gasket ENG-019 $8.50 |
 Clutch Cover Gasket ENG-020 $8.50 |
 Head Gasket ENG-021 $8.50 |
 Valve Guide Seals Here's a great deal...8 valve guide seals for $10. ENG-022 $10.00 |
Honda CB750 Motor Builder Kit
This kit is used everyday in the shop.
Includes:
| ✓ Starter
cover gasket ✓ Breather cover gasket ✓ Honda CB750 oil seal kit ✓ 11 small side cover dowels (Honda part # 94301-08140) ✓ 2 case dowels (Honda part # 94301-10160) ✓ 3 oil pump dowels (Honda part # 15155-300-000) ✓ 4 cylinder to head, case to cylinder dowels (Honda part # 94301-12180) ✓ 8 red viton Kibblewhite valve stem seals ✓ Spark advancer shaft viton o-ring ✓ Neutral switch viton o-ring ✓ Crankcase half viton o-ring ✓ 6 oil line & oil pump viton o-rings ✓ Countershaft bearing holder viton o-ring ✓ 2 clutch adjusting screw viton o-rings ✓ 5 top/bottom cylinder & dyno plug viton o-rings ✓ 3 large crankshaft plug viton o-rings ✓ 8 tapped cover viton o-rings ✓ 4 cylinder sleeve viton o-rings ✓ 4 camshaft tower viton o-rings ✓ Upper case from plug viton o-ring |
ENG-027 $109.00
Dowel Pin Kit for Motor Rebuilds
When rebuilding portions of your Honda CB750 dowel pins are generally rusted,
stuck and deformed after 4 plus decades.
Here are dowel pin kits that we use on all motor rebuilds.
Small side cover dowels: Qty 11 (Honda part # 94301-08140)
Case dowels: Qty 2 (Honda part # 94301-10160)
Oil pump dowels: Qty 3 (Honda part # 15155-300-000)
Cylinder to head, case to cylinder dowels: Qty 4 (Honda part # 94301-12180)
Note: The front case dowel #15326-300-00 is no
longer available. Not a big deal because they are never stuck in the
cases and are always in good condition.
The 8 dowels #12116-300-000 are late model drain hole dowels between the
cylinder and head and are not included because they are never bad and
many people do not use them.
ENG-026 $27.95 (All 20)
Red Viton Kibblewhite Valve Stem Seals, 69-77
KPMI® Red 100% Viton valve stem seals are designed to have optimum fitment, allow , maximum lift, and to give maximum life. KPMI® Red valve stem seals are resistant to high temperatures, petroleum products and the corrosive gasses that are the by-products of combustion. These seals retain their ability to seal in situations where other materials could harden and allow oil to enter the combustion chamber causing detonation, carbon build up and a loss of power. The Red Ones are truly the racers choice.
ENV-VSS $27.99
Yamaha 650 Gasket Set
This "complete" gasket set is for Yamaha XS 650's
('75-81).
Valve seals are included.
YAM-002
$35.95
SALE PRICE $28.95
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NOTE: As of July 1st, 2018, an extended goods and services tax (GST) has been applied to all Australian consumers buying overseas, charging an extra 10% in taxes to us with each purchase. To ensure that you can continue to purchase from us in Australia and we can provide our parts at our usual lower cost, please contact us at the email below if interested in any particular parts so that we can make a special shipping arrangement for you.
It is the sole and
exclusive responsibility of the purchaser to determine the suitability of any
part, product or work for his or her use.
The purchaser shall assume all legal, personal injury risk and liability and all
other obligations, duties and risks therewith.
There is no warranty on High Performance products.
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Cycle X Global Headquarters
6246 US Hwy 51 South
Hazelhurst, WI 54531
Phone: 715-356-7346
Email: hotrodcyclex@gmail.com
